2652745

Information

• Patent Grant
• 2652745

• References
• Source

• Patent Number

  2,652,745

• Date Filed

  Not available

• Date Issued

  Tuesday, September 22, 1953
  71 years ago

• CPC

  • G04B19/34 - Position of the hands projected optically

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 040 - Card, picture, or sign exhibiting
  • 352 - Optics: motion pictures
  • 353 - Optics: image projectors
  • 968 - Horology