2697788

Information

• Patent Grant
• 2697788

• References
• Source

• Patent Number

  2,697,788

• Date Filed

  Not available

• Date Issued

  Tuesday, December 21, 1954
  70 years ago

• CPC

  • H01J49/102 - using reflex discharge

• US Classifications

  • 250 - Radiant energy
  • 313 - Electric lamp and discharge devices