3308330

Information

• Patent Grant
• 3308330

• References
• Source

• Patent Number

  3,308,330

• Date Filed

  Not available

• Date Issued

  Tuesday, March 7, 1967
  57 years ago

• CPC

  • H01J21/02 - Tubes with a single discharge path
  • H01J1/304 - Field-emissive cathodes

• US Classifications

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