2666583

Information

• Patent Grant
• 2666583

• References
• Source

• Patent Number

  2,666,583

• Date Filed

  Not available

• Date Issued

  Tuesday, January 19, 1954
  71 years ago

• CPC

  • G05D23/19 - characterised by the use of electric means
  • G05D23/2454 - using photoelectric elements
  • Y10S252/962 - Temperature or thermal history

• US Classifications

  • 236 - Automatic temperature and humidity regulation
  • 250 - Radiant energy
  • 252 - Compositions
  • 356 - Optics: measuring and testing
  • 359 - Optical: systems and elements
  • 374 - Thermal measuring and testing
  • 436 - Chemistry: analytical and immunological testing