2985820

Information

• Patent Grant
• 2985820

• References
• Source

• Patent Number

  2,985,820

• Date Filed

  Not available

• Date Issued

  Tuesday, May 23, 1961
  63 years ago

• CPC

  • G01R31/255 - Testing of transit-time tubes

• US Classifications

  • 324 - Electricity: measuring and testing
  • 331 - Oscillators