3050256

Information

• Patent Grant
• 3050256

• References
• Source

• Patent Number

  3,050,256

• Date Filed

  Not available

• Date Issued

  Tuesday, August 21, 1962
  62 years ago

• CPC

  • G05D23/2239 - using photoelectric elements

• US Classifications

  • 236 - Automatic temperature and humidity regulation
  • 219 - Electric heating
  • 323 - Electricity: power supply or regulation systems