TREA

Air quality measuring apparatus

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Information

  • Patent Grant
  • D980090
  • Patent Number
    D980,090
  • Date Filed
    Friday, September 3, 2021
    3 years ago
  • Date Issued
    Tuesday, March 7, 2023
    a year ago
  • Inventors
    • Yu; Dongkyun
    • Park; Shihyun
  • Original Assignees
  • Examiners
    • Davis; Antoine Duval
    Agents
    • Paratus Law Group, PLLC
  • US Classifications
    Field of Search
    • US
    • D10 52
    • D10 53
    • D10 56
    • CPC
    • G01N1/2273
    • G01N2001/2276
    • G01N2001/2279
    • G01N7/00
    • G01N7/02
    • G01N7/04
    • G01N7/06
    • G01N7/08
    • G01N7/10
    • G01N7/12
    • G01N7/14
    • G01N7/16
    • G01N7/18
    • G01N7/20
    • G01N7/22
    • G01N33/009
    • G01N2033/0077
    • G01N2003/0078
    • G01N2033/008
    • G01N2033/0081
    • G01N2033/0083
    • G01N2033/0085
    • G01N2033/0086
    • G01N2033/0088
    • G01N33/0075
    • G01N2001/2285
    • G01N25/56
    • G01N29/22
    • G01N33/0009
    • G01N2035/00306
    • G01N2201/022
    • G01N2201/0222
    • G01N2201/0224
    • G01N2201/0225
    • G01N2201/0227
    • G01N2201/0228
    • G01N2201/024
    • H04B17/23
  • International Classifications
    • 1004
    • Term of Grant
      15Years
Information
Abstract
Description

1. Air quality measuring apparatus




1.1: Perspective




1.2: Front




1.3: Back




1.4: Top




1.5: Bottom




1.6: Left




1.7: Right


An air quality measuring apparatus installed indoor or outdoor is used to measure the concentration of air pollutants and particulate matters; the lower part of the apparatus made of a transparent or translucent material changes its color depending on the status of air quality.


Claims
  • The ornamental design for air quality measuring apparatus, as shown and described.
US Referenced Citations (5)
Number Name Date Kind
D711257 Sargent Aug 2014 S
D734679 Liu Jul 2015 S
D885209 Hernandez May 2020 S
D900650 Hernandez Nov 2020 S
D964184 Lu Sep 2022 S