2501704

Information

• Patent Grant
• 2501704

• References
• Source

• Patent Number

  2,501,704

• Date Filed

  Not available

• Date Issued

  Tuesday, March 28, 1950
  75 years ago

• CPC

  • G01R19/0076 - using thermionic valves

• US Classifications

  • 324 - Electricity: measuring and testing
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 361 - Electricity: electrical systems and devices