3694687

Information

• Patent Grant
• 3694687

• References
• Source

• Patent Number

  3,694,687

• Date Filed

  Not available

• Date Issued

  Tuesday, September 26, 1972
  52 years ago

• CPC

  • H01J37/063 - Geometrical arrangement of electrodes for beam-forming
  • H01J3/10 - Arrangements for centering ray or beam
  • H01J37/065 - Construction of guns or parts thereof

• US Classifications

  • 313 - Electric lamp and discharge devices