2522969

Information

• Patent Grant
• 2522969

• References
• Source

• Patent Number

  2,522,969

• Date Filed

  Not available

• Date Issued

  Tuesday, September 19, 1950
  74 years ago

• CPC

  • F04F9/08 - Control
  • H01J7/42 - Means structurally associated with the tube or lamp for indicating defects or previous use
  • H01J9/385 - Exhausting vessels

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 141 - Fluent material handling, with receiver or receiver coacting means
  • 250 - Radiant energy
  • 445 - Electric lamp or space discharge component or device manufacturing