1829254

Information

• Patent Grant
• 1829254

• References
• Source

• Patent Number

  1,829,254

• Date Filed

  Not available

• Date Issued

  Tuesday, October 27, 1931
  93 years ago

• CPC

  • G05F3/12 - being glow discharge tubes
  • Y10T307/383 - Different voltages

• US Classifications

  • 333 - Wave transmission lines and networks
  • 307 - Electrical transmission or interconnection systems
  • 315 - Electric lamp and discharge devices: systems
  • 323 - Electricity: power supply or regulation systems
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems