1522227

Information

• Patent Grant
• 1522227

• References
• Source

• Patent Number

  1,522,227

• Date Filed

  Not available

• Date Issued

  Tuesday, January 6, 1925
  100 years ago

• CPC

  • H01T13/28 - having spherically shaped electrodes
  • Y10T137/7911 - Removable cage

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 123 - Internal-combustion engines
  • 137 - Fluid handling
  • 174 - Electricity: conductors and insulators