3680453

Information

• Patent Grant
• 3680453

• References
• Source

• Patent Number

  3,680,453

• Date Filed

  Not available

• Date Issued

  Tuesday, August 1, 1972
  52 years ago

• CPC

  • G03B17/50 - with both developing and finishing apparatus
  • G03B7/083 - for control of exposure time
  • G03B9/70 - with flash-synchronising contacts
  • G03B15/0494 - Means for mounting percussion type flash apparatus

• US Classifications

  • 396 - Photography