3881821

Information

• Patent Grant
• 3881821

• References
• Source

• Patent Number

  3,881,821

• Date Filed

  Not available

• Date Issued

  Tuesday, May 6, 1975
  49 years ago

• CPC

  • G03B27/16 - Illumination arrangements
  • G03B15/00 - Special procedures for taking photographs Apparatus therefor
  • G03B15/04 - Combinations of photographic apparatus with non-electronic flash apparatus Non-electronic flash units
  • G03B15/0478 - Combinations of photographic apparatus with percussion type flash ignition systems
  • G03B15/05 - Combinations of cameras with electronic flash apparatus Electronic flash units
  • H05B41/32 - for single flash operation
  • G03B2215/0578 - Flashtube mounting
  • G03B2215/0592 - installed in front of light emitter

• US Classifications

  • 355 - Photocopying
  • 396 - Photography