3687028

Information

• Patent Grant
• 3687028

• References
• Source

• Patent Number

  3,687,028

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1972
  52 years ago

• CPC

  • G03B15/04 - Combinations of photographic apparatus with non-electronic flash apparatus Non-electronic flash units
  • G03B7/16 - in accordance with both the intensity of the flash source and the distance of the flash source from the object
  • G03B15/0452 - Electrical ignition means connected to the shutter
  • G03B15/0494 - Means for mounting percussion type flash apparatus

• US Classifications

  • 396 - Photography