2631781

Information

• Patent Grant
• 2631781

• References
• Source

• Patent Number

  2,631,781

• Date Filed

  Not available

• Date Issued

  Tuesday, March 17, 1953
  72 years ago

• CPC

  • G05D23/122 - using a plurality of sensing elements
  • Y10S236/16 - Relief spring
  • Y10T137/7737 - Thermal responsive
  • Y10T137/8376 - Combined

• US Classifications

  • 236 - Automatic temperature and humidity regulation
  • 062 - Refrigeration
  • 092 - Expansible chamber devices
  • 137 - Fluid handling