2935657

Information

• Patent Grant
• 2935657

• References
• Source

• Patent Number

  2,935,657

• Date Filed

  Not available

• Date Issued

  Tuesday, May 3, 1960
  64 years ago

• CPC

  • G05D23/30 - Automatic controllers with an auxiliary heating device affecting the sensing element
  • G05D23/27539 - using conductible expansible fluid

• US Classifications

  • 361 - Electricity: electrical systems and devices
  • 236 - Automatic temperature and humidity regulation
  • 337 - Electricity: electrothermally or thermally actuated switches
  • 392 - Electric resistance heating devices