2811856

Information

• Patent Grant
• 2811856

• References
• Source

• Patent Number

  2,811,856

• Date Filed

  Not available

• Date Issued

  Tuesday, November 5, 1957
  67 years ago

• CPC

  • G01J5/12 - using thermoelectric elements
  • Y10S246/01 - Radiant energy devices

• US Classifications

  • 374 - Thermal measuring and testing
  • 236 - Automatic temperature and humidity regulation
  • 246 - Railway switches and signals