2413128

Information

• Patent Grant
• 2413128

• References
• Source

• Patent Number

  2,413,128

• Date Filed

  Not available

• Date Issued

  Tuesday, December 24, 1946
  78 years ago

• CPC

  • G05D23/2239 - using photoelectric elements

• US Classifications

  • 236 - Automatic temperature and humidity regulation
  • 219 - Electric heating
  • 318 - Electricity: motive power systems
  • 361 - Electricity: electrical systems and devices
  • 374 - Thermal measuring and testing