1799922

Information

• Patent Grant
• 1799922

• References
• Source

• Patent Number

  1,799,922

• Date Filed

  Not available

• Date Issued

  Tuesday, April 7, 1931
  93 years ago

• CPC

  • H01T13/26 - for adjusting spark gap otherwise than by bending of electrode

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 033 - Geometrical instruments
  • 081 - Tools
  • 445 - Electric lamp or space discharge component or device manufacturing