3677150

Information

• Patent Grant
• 3677150

• References
• Source

• Patent Number

  3,677,150

• Date Filed

  Not available

• Date Issued

  Tuesday, July 18, 1972
  52 years ago

• CPC

  • F21K5/023 - Ignition devices in photo flash bulbs
  • G01J1/42 - using electric radiation detectors

• US Classifications

  • 396 - Photography
  • 356 - Optics: measuring and testing