1802680

Information

• Patent Grant
• 1802680

• References
• Source

• Patent Number

  1,802,680

• Date Filed

  Not available

• Date Issued

  Tuesday, April 28, 1931
  93 years ago

• CPC

  • H05B31/0033 - with glowrod and candle
  • Y10T24/44974 - Threaded cylindrical rod and mating cavity
  • Y10T279/1986 - Jaws

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 024 - Buckles, buttons, clasps, etc.
  • 279 - Chucks or sockets
  • 314 - Electric lamp and discharge devices: consumable electrodes