2561357

Information

• Patent Grant
• 2561357

• References
• Source

• Patent Number

  2,561,357

• Date Filed

  Not available

• Date Issued

  Tuesday, July 24, 1951
  73 years ago

• CPC

  • G05B1/022 - using discharge tubes

• US Classifications

  • 340 - Communications: electrical
  • 178 - Telegraphy
  • 315 - Electric lamp and discharge devices: systems
  • 361 - Electricity: electrical systems and devices