3696666

Information

• Patent Grant
• 3696666

• References
• Source

• Patent Number

  3,696,666

• Date Filed

  Not available

• Date Issued

  Tuesday, October 10, 1972
  52 years ago

• CPC

  • G01L13/00 - Devices or apparatus for measuring differences of two or more pressure values
  • F02M35/09 - Clogging indicators; Diagnosis or testing of air cleaners
  • F24F3/1603 - by filtering
  • F24F13/28 - Arrangement or mounting of filters
  • G01M13/00 - Testing of machine parts
  • F24F2011/0023 - Concentration of air-borne particles
  • F24F2011/0093 - Devices monitoring filter performance
  • Y02B30/78 - Ventilation adapted to air quality
  • Y10S55/28 - Carburetor attached
  • Y10S55/34 - Indicator and controllers

• US Classifications

  • 073 - Measuring and testing
  • 055 - Gas separation
  • 096 - Gas separation: apparatus
  • 340 - Communications: electrical