3549891

Information

• Patent Grant
• 3549891

• References
• Source

• Patent Number

  3,549,891

• Date Filed

  Not available

• Date Issued

  Tuesday, December 22, 1970
  54 years ago

• CPC

  • H01J25/49 - Tubes using the parametric principle
  • H03B13/00 - Generation of oscillations using deflection of electron beam in a cathode-ray tube

• US Classifications

  • 250 - Radiant energy
  • 313 - Electric lamp and discharge devices
  • 330 - Amplifiers