2295471

Information

• Patent Grant
• 2295471

• References
• Source

• Patent Number

  2,295,471

• Date Filed

  Not available

• Date Issued

  Tuesday, September 8, 1942
  82 years ago

• CPC

  • G05D23/2236 - details of the regulator
  • G05D23/2239 - using photoelectric elements

• US Classifications

  • 236 - Automatic temperature and humidity regulation
  • 200 - Electricity: circuit makers and breakers