2665129

Information

• Patent Grant
• 2665129

• References
• Source

• Patent Number

  2,665,129

• Date Filed

  Not available

• Date Issued

  Tuesday, January 5, 1954
  71 years ago

• CPC

  • E05F15/73 - responsive to movement or presence of persons or objects
  • Y10S246/01 - Radiant energy devices

• US Classifications

  • 049 - Movable or removable closures
  • 236 - Automatic temperature and humidity regulation
  • 246 - Railway switches and signals
  • 250 - Radiant energy
  • 318 - Electricity: motive power systems
  • 340 - Communications: electrical