1804049

Information

• Patent Grant
• 1804049

• References
• Source

• Patent Number

  1,804,049

• Date Filed

  Not available

• Date Issued

  Tuesday, May 5, 1931
  93 years ago

• CPC

  • H01K11/00 - Lamps having an incandescent body which is not conductively heated

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 362 - Illumination