3457515

Information

• Patent Grant
• 3457515

• References
• Source

• Patent Number

  3,457,515

• Date Filed

  Not available

• Date Issued

  Tuesday, July 22, 1969
  54 years ago

• CPC

  • H01J21/36 - Tubes with flat electrodes

• US Classifications

  • 455 - Telecommunications
  • 315 - Electric lamp and discharge devices: systems
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 330 - Amplifiers