3304461

Information

• Patent Grant
• 3304461

• References
• Source

• Patent Number

  3,304,461

• Date Filed

  Not available

• Date Issued

  Tuesday, February 14, 1967
  58 years ago

• CPC

  • H01J25/49 - Tubes using the parametric principle

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 313 - Electric lamp and discharge devices
  • 330 - Amplifiers