2680224

Information

• Patent Grant
• 2680224

• References
• Source

• Patent Number

  2,680,224

• Date Filed

  Not available

• Date Issued

  Tuesday, June 1, 1954
  70 years ago

• CPC

  • G01K5/16 - with electric contacts
  • G05D23/27539 - using conductible expansible fluid

• US Classifications

  • 322 - Electricity: single generator systems
  • 219 - Electric heating
  • 236 - Automatic temperature and humidity regulation
  • 374 - Thermal measuring and testing