3693522

Information

• Patent Grant
• 3693522

• References
• Source

• Patent Number

  3,693,522

• Date Filed

  Not available

• Date Issued

  Tuesday, September 26, 1972
  52 years ago

• CPC

  • G03B17/53 - for automatically delivering a finished picture after a signal causing exposure has been given
  • G07F17/02 - for optical devices

• US Classifications

  • 396 - Photography
  • 355 - Photocopying