2265397

Information

• Patent Grant
• 2265397

• References
• Source

• Patent Number

  2,265,397

• Date Filed

  Not available

• Date Issued

  Tuesday, December 9, 1941
  83 years ago

• CPC

  • H03B7/04 - active element being vacuum tube
  • H01J21/065 - Devices for short wave tubes
  • H03D7/10 - the signals to be mixed being applied between different pairs of electrodes

• US Classifications

  • 455 - Telecommunications
  • 331 - Oscillators