3244371

Information

• Patent Grant
• 3244371

• References
• Source

• Patent Number

  3,244,371

• Date Filed

  Not available

• Date Issued

  Tuesday, April 5, 1966
  58 years ago

• CPC

  • G05D23/306 - using semiconductor devices
  • G05D23/1919 - characterised by the type of controller
  • G05D23/24 - the sensing element having a resistance varying with temperature

• US Classifications

  • 236 - Automatic temperature and humidity regulation
  • 219 - Electric heating