3603974

Information

• Patent Grant
• 3603974

• References
• Source

• Patent Number

  3,603,974

• Date Filed

  Not available

• Date Issued

  Tuesday, September 7, 1971
  53 years ago

• CPC

  • G03B39/04 - using moving plate or film
  • G03B15/00 - Special procedures for taking photographs Apparatus therefor
  • G03B17/245 - Optical means
  • G03B2217/243 - Optical devices
  • G03B2217/246 - Details of the markings
  • G03B2217/247 - Bar codes

• US Classifications

  • 346 - Recorders
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 352 - Optics: motion pictures
  • 355 - Photocopying
  • 369 - Dynamic information storage or retrieval
  • 396 - Photography