3786735

Information

• Patent Grant
• 3786735

• References
• Source

• Patent Number

  3,786,735

• Date Filed

  Not available

• Date Issued

  Tuesday, January 22, 1974
  50 years ago

• CPC

  • G03B17/44 - Means for exchanging focusing screen and light sensitive material
  • G03B9/58 - Means for varying duration of "open" period of shutter
  • G03B17/04 - collapsible, foldable, or extensible

• US Classifications

  • 396 - Photography