2930992

Information

• Patent Grant
• 2930992

• References
• Source

• Patent Number

  2,930,992

• Date Filed

  Not available

• Date Issued

  Tuesday, March 29, 1960
  64 years ago

• CPC

  • H03B5/22 - active element in amplifier being vacuum tube
  • H03B5/28 - active element in amplifier being vacuum tube
  • H03J1/042 - Means insuring a precise reading of the dial

• US Classifications

  • 331 - Oscillators
  • 338 - Electrical resistors