3019653

Information

• Patent Grant
• 3019653

• References
• Source

• Patent Number

  3,019,653

• Date Filed

  Not available

• Date Issued

  Tuesday, February 6, 1962
  62 years ago

• CPC

  • G05D23/021 - the sensing element being a non-metallic solid
  • Y10S33/19 - Thermal expansive
  • Y10S116/22 - Heated air

• US Classifications

  • 060 - Power plants
  • 033 - Geometrical instruments
  • 116 - Signals and indicators
  • 236 - Automatic temperature and humidity regulation