1401585

Information

• Patent Grant
• 1401585

• References
• Source

• Patent Number

  1,401,585

• Date Filed

  Not available

• Date Issued

  Tuesday, December 27, 1921
  103 years ago

• CPC

  • H01T13/26 - for adjusting spark gap otherwise than by bending of electrode
  • Y10T74/20636 - Detents

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 033 - Geometrical instruments
  • 074 - Machine element or mechanism
  • 123 - Internal-combustion engines