DM0000: The mark consists of the word "KEYSTONE" in dark blue above the words "CLEAN AIR SOLUTIONS" in light blue within a fanciful rectangular border with an arch on top in dark blue and a quadrilateral design in light blue within the arch.
GS0061: metal vent covers for HVAC ducts for use in laboratories; metal vent covers for cleanrooms use in the manufacture of electronics, semiconductors, pharmaceutical products and medical products
CC0000: The color(s) dark blue, light blue is/are claimed as a feature of the mark.
GS0111: Heat registers for use in laboratories; Heat registers for use in cleanrooms used in the manufacture of electronics, semiconductors, pharmaceutical products and medical products; Heat registers for use in healthcare facilities, namely, in operating rooms, patient rooms and hospital isolation rooms; Ventilation fans for use in laboratories; Ventilation fans for use in cleanrooms used in the manufacture of electronics, semiconductors, pharmaceutical products and medical products; Ventilation hoods for use in laboratories; Ventilation goods for use in cleanrooms used in the manufacture of electronics, semiconductors, pharmaceutical products and medical products; Ventilation goods for use in cleanrooms used in the manufacture of electronics, semiconductors, pharmaceutical products and medical products, namely, ventilation fans and hoods; locally induced air-conditioners for industrial purposes for use in laboratories; locally induced air-conditioners for industrial purposes for use in cleanrooms used in the manufacture of electronics, semiconductors, pharmaceutical products and medical products; air filters for air conditioning units for use in laboratories; air filters for air conditioning units for use in cleanrooms used in the manufacture of electronics, semiconductors, pharmaceutical products and medical products; air filters for air conditioning units for use in healthcare facilities, namely, in operating rooms, patient rooms and hospital isolation rooms; axial-flow fans for air-conditioning for use in laboratories; axial-flow fans for air-conditioning for use in cleanrooms used in the manufacture of electronics, semiconductors, pharmaceutical products and medical products; axial-flow fans for air-conditioning for use in healthcare facilities, namely, in operating rooms, patient rooms and hospital isolation rooms; air filtering units for removing dust, smoke and allergens from the air for use in laboratories; air filtering units for removing dust, smoke and allergens from the air for use in cleanrooms used in the manufacture of electronics, semiconductors, pharmaceutical products and medical products; air filtering units for removing dust, smoke and allergens from the air for use in healthcare facilities, namely, in operating rooms, patient rooms and hospital isolation rooms; filters for air extractor hoods for use in laboratories; air filters for air extractor hoods for use in cleanrooms used in the manufacture of electronics, semiconductors, pharmaceutical products and medical products; air filters for air extractor hoods for use in healthcare facilities, namely, in operating rooms, patient rooms and hospital isolation rooms; high efficiency particulate air (HEPA) filters for heating, ventilation and air conditioning installations and specially adapted parts therefor for use in laboratories; high efficiency particulate air (HEPA) filters for heating, ventilation and air conditioning installations and specially adapted parts therefor for use in cleanrooms used in the manufacture of electronics, semiconductors, pharmaceutical products and medical products; high efficiency particulate air (HEPA) filters for heating, ventilation and air conditioning installations and specially adapted parts therefor for use in healthcare facilities, namely, in operating rooms, patient rooms and hospital isolation rooms; minimum efficiency reporting value (MERV) air filters for heating, ventilation and air conditioning installations and specially adapted parts therefor for use in laboratories; minimum efficiency reporting value (MERV) air filters for heating, ventilation and air conditioning installations and specially adapted parts therefor for use in cleanrooms used in the manufacture of electronics, semiconductors, pharmaceutical products and medical products; minimum efficiency reporting value (MERV) air filters for heating, ventilation and air conditioning installations and specially adapted parts therefor for use in healthcare facilities, namely, in operating rooms, patient rooms and hospital isolation rooms; ultra low particulate air (ULPA) filters for heating, ventilation and air conditioning installations and specially adapted parts therefor for use in laboratories, ultra low particulate air (ULPA) filters for heating, ventilation and air conditioning installations and specially adapted parts therefor for use in cleanrooms used in the manufacture of electronics, semiconductors, pharmaceutical products and medical products; ultra low particulate air (ULPA) filters for heating, ventilation and air conditioning installations and specially adapted parts therefor for use in healthcare facilities, namely, in operating rooms, patient rooms and hospital isolation rooms; ceiling-recessed and ceiling-suspended heating, ventilation and air conditioning (HVAC) systems comprised of ceiling lights, spotlights, and downlights, light fixtures, ceiling fans, electric fans, ventilating fans, and air conditioning fans, air diffusers, as well as suspended and recessed ceiling tracks specially adapted for housing such items sold as a unit for use in laboratories; ceiling-recessed and ceiling-suspended heating, ventilation and air conditioning (HVAC) systems comprised of ceiling lights, spotlights, and downlights, light fixtures, ceiling fans, electric fans, ventilating fans, and air conditioning fans, air diffusers, as well as suspended and recessed ceiling tracks specially adapted for housing such items sold as a unit for use in cleanrooms used in the manufacture of electronics, semiconductors, pharmaceutical products and medical products; ceiling-recessed and ceiling-suspended heating, ventilation and air conditioning (HVAC) systems comprised of ceiling lights, spotlights, and downlights, light fixtures, ceiling fans, electric fans, ventilating fans, and air conditioning fans, air diffusers, as well as suspended and recessed ceiling tracks specially adapted for housing such items sold as a unit for use in healthcare facilities, namely, in operating rooms, patient rooms and hospital isolation rooms; integrated heating, ventilation and air conditioning (HVAC) systems comprised of ceiling lights, spotlights, and downlights, light fixtures, ceiling fans, electric fans, ventilating fans, air conditioning fans, air diffusers, as well as work benches and work tables specially adapted for housing these items sold as a unit for use in laboratories; integrated heating, ventilation and air conditioning (HVAC) systems comprised of ceiling lights, spotlights, and downlights, light fixtures, ceiling fans, electric fans, ventilating fans, air conditioning fans, air diffusers, as well as work benches and work tables specially adapted for housing these items sold as a unit for use in cleanrooms used in the manufacture of electronics, semiconductors, pharmaceutical products and medical products; integrated heating, ventilation and air conditioning (HVAC) systems comprised of ceiling lights, spotlights, and downlights, light fixtures, ceiling fans, electric fans, ventilating fans, air conditioning fans, air diffusers, as well as work benches and work tables specially adapted for housing these items sold as a unit for use in healthcare facilities, namely, in operating rooms, patient rooms and hospital isolation rooms; laminar air flow diffuser (LFD) being parts of clean room and ventilating installations for use in laboratories; laminar air flow diffuser (LFD) being parts of clean room installations for use in cleanrooms used in the manufacture of electronics, semiconductors, pharmaceutical products and medical products; laminar air flow diffuser (LFD) being parts of clean room installations and ventilation installations for use in healthcare facilities, namely, in operating rooms, patient rooms and hospital isolation rooms; air flow diffusers for use in laboratories; air flow diffusers being parts of clean room installations used in the manufacture of electronics, semiconductors, pharmaceutical products and medical products; air flow diffusers being parts of clean room installations and ventilation installations for use in healthcare facilities, namely, in operating rooms, patient rooms and hospital isolation rooms; specially adapted structural parts for air flow diffusers being parts of clean room installations and ventilation installations for use in laboratories; specially adapted structural parts for air flow diffusers being parts of clean room installations for use in cleanrooms used in the manufacture of electronics, semiconductors, pharmaceutical products and medical products; specially adapted structural parts for air flow diffusers being parts of clean room installations and ventilation installations for use in healthcare facilities, namely, in operating rooms, patient rooms and hospital isolation rooms; air flow diffuser arrays being parts of clean room installations and ventilation installations for use in laboratories; air flow diffuser arrays being parts of clean room installations for use in cleanrooms used in the manufacture of electronics, semiconductors, pharmaceutical products and medical products; air flow diffuser arrays for use in healthcare facilities, namely, in air flow diffuser arrays being parts of clean room installations and ventilation systems for use in healthcare facilities, namely, in operating rooms, patient rooms and hospital isolation rooms; laminar air diffuser (LFD) arrays being parts of clean room installations and ventilation installations for heaters, ventilators, and air conditioners for use in laboratories; laminar air diffuser (LFD) arrays being parts of clean room installations for heaters, ventilators, and air conditioners for use in laboratories for heaters, ventilators, and air conditioners for use in cleanrooms used in the manufacture of electronics, semiconductors, pharmaceutical products and medical products; laminar air diffuser (LFD) arrays being parts of clean room installations and ventilation installations for heaters, ventilators, and air conditioners for use in healthcare facilities, namely, in operating rooms, patient rooms and hospital isolation rooms; air extractor fans and hoods for heating ventilation and air conditioning installations and specially adapted parts therefor for use in laboratories; air extractor fans and hoods for heating, ventilation and air conditioning installations and specially adapted parts therefor for use cleanrooms used in the manufacture of electronics, semiconductors, pharmaceutical products and medical products; air extractor fans and hoods for heating, ventilation and air conditioning installations and specially adapted parts therefor for use healthcare facilities, namely, in operating rooms, patient rooms and hospital isolation rooms
Case File Event Statements
1/4/2022 - 3 years ago
1 - NEW APPLICATION ENTEREDType:NWAP
1/18/2022 - 3 years ago
2 - NEW APPLICATION OFFICE SUPPLIED DATA ENTEREDType:NWOS
1/19/2022 - 3 years ago
3 - NOTICE OF DESIGN SEARCH CODE E-MAILEDType:MDSC
6/9/2022 - 2 years ago
4 - ASSIGNED TO EXAMINERType:DOCK
6/14/2022 - 2 years ago
5 - NON-FINAL ACTION WRITTENType:CNRT
6/14/2022 - 2 years ago
6 - NON-FINAL ACTION E-MAILEDType:GNRT
6/14/2022 - 2 years ago
7 - NOTIFICATION OF NON-FINAL ACTION E-MAILEDType:GNRN
12/14/2022 - 2 years ago
8 - TEAS RESPONSE TO OFFICE ACTION RECEIVEDType:TROA
12/14/2022 - 2 years ago
9 - CORRESPONDENCE RECEIVED IN LAW OFFICEType:CRFA
12/14/2022 - 2 years ago
10 - TEAS/EMAIL CORRESPONDENCE ENTEREDType:TEME
12/22/2022 - 2 years ago
11 - SUSPENSION LETTER WRITTENType:CNSL
12/22/2022 - 2 years ago
12 - LETTER OF SUSPENSION E-MAILEDType:GNSL
12/22/2022 - 2 years ago
13 - NOTIFICATION OF LETTER OF SUSPENSION E-MAILEDType:GNS3
6/21/2023 - a year ago
14 - SUSPENSION INQUIRY WRITTENType:CNSI
6/21/2023 - a year ago
15 - INQUIRY TO SUSPENSION E-MAILEDType:GNSI
6/21/2023 - a year ago
16 - NOTIFICATION OF INQUIRY AS TO SUSPENSION E-MAILEDType:GNS2
8/24/2023 - a year ago
17 - TEAS RESPONSE TO SUSPENSION INQUIRY RECEIVEDType:ERSI
8/24/2023 - a year ago
18 - CORRESPONDENCE RECEIVED IN LAW OFFICEType:CRFA
8/24/2023 - a year ago
19 - TEAS/EMAIL CORRESPONDENCE ENTEREDType:TEME
8/30/2023 - a year ago
20 - SUSPENSION LETTER WRITTENType:CNSL
8/30/2023 - a year ago
21 - LETTER OF SUSPENSION E-MAILEDType:GNSL
8/30/2023 - a year ago
22 - NOTIFICATION OF LETTER OF SUSPENSION E-MAILEDType:GNS3
2/27/2024 - a year ago
23 - SUSPENSION INQUIRY WRITTENType:CNSI
2/27/2024 - a year ago
24 - INQUIRY TO SUSPENSION E-MAILEDType:GNSI
2/27/2024 - a year ago
25 - NOTIFICATION OF INQUIRY AS TO SUSPENSION E-MAILEDType:GNS2
6/14/2024 - 10 months ago
27 - ABANDONMENT NOTICE E-MAILED - FAILURE TO RESPONDType:MAB2
6/17/2024 - 9 months ago
31 - TEAS RESPONSE TO OFFICE ACTION RECEIVEDType:TROA
6/14/2024 - 10 months ago
26 - ABANDONMENT - FAILURE TO RESPOND OR LATE RESPONSEType:ABN2
6/17/2024 - 9 months ago
28 - TEAS PETITION TO REVIVE RECEIVEDType:PROA
6/17/2024 - 9 months ago
29 - PETITION TO REVIVE-GRANTEDType:PETG
6/17/2024 - 9 months ago
30 - NOTICE OF REVIVAL - E-MAILEDType:NREV
7/3/2024 - 9 months ago
32 - SUSPENSION LETTER WRITTENType:CNSL
7/3/2024 - 9 months ago
34 - NOTIFICATION OF LETTER OF SUSPENSION E-MAILEDType:GNS3
2/7/2025 - 2 months ago
35 - SUSPENSION CHECKED - TO ATTORNEY FOR ACTIONType:RCCK
2/10/2025 - 2 months ago
36 - ASSIGNED TO EXAMINERType:DOCK
2/12/2025 - a month ago
37 - SUSPENSION CHECKED - TO ATTORNEY FOR ACTIONType:RCCK
2/20/2025 - a month ago
39 - INQUIRY TO SUSPENSION E-MAILEDType:GNSI
2/20/2025 - a month ago
38 - SUSPENSION INQUIRY WRITTENType:CNSI
2/20/2025 - a month ago
40 - NOTIFICATION OF INQUIRY AS TO SUSPENSION E-MAILEDType:GNS2
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