2250644

Information

• Patent Grant
• 2250644

• References
• Source

• Patent Number

  2,250,644

• Date Filed

  Not available

• Date Issued

  Tuesday, July 29, 1941
  84 years ago

• CPC

  • F21V25/02 - coming into action when lighting device is disturbed, dismounted, or broken
  • F21L7/00 - Torches or pocket-lamps with built-in batteries
  • F21V23/00 - Arrangement of electric circuit elements in or on lighting devices
  • F21V25/06 - feeding a quenching fluid to the light source

• US Classifications

  • 362 - Illumination