3375459

Information

• Patent Grant
• 3375459

• References
• Source

• Patent Number

  3,375,459

• Date Filed

  Not available

• Date Issued

  Tuesday, March 26, 1968
  57 years ago

• CPC

  • H01J25/49 - Tubes using the parametric principle

• US Classifications

  • 330 - Amplifiers
  • 315 - Electric lamp and discharge devices: systems
  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets