3718869

Information

• Patent Grant
• 3718869

• References
• Source

• Patent Number

  3,718,869

• Date Filed

  Not available

• Date Issued

  Tuesday, February 27, 1973
  51 years ago

• CPC

  • H03B9/145 - the frequency being determined by a cavity resonator
  • H03B5/1835 - the active element in the amplifier being a vacuum tube

• US Classifications

  • 331 - Oscillators
  • 333 - Wave transmission lines and networks
  • 343 - Communications: radio wave antennas
  • 455 - Telecommunications