3476972

Information

• Patent Grant
• 3476972

• References
• Source

• Patent Number

  3,476,972

• Date Filed

  Not available

• Date Issued

  Tuesday, November 4, 1969
  55 years ago

• CPC

  • H01J29/865 - Vacuum locks
  • H01J3/028 - Replacing parts of the gun; Relative adjustment
  • H01J9/50 - Repairing or regenerating used or defective discharge tubes or lamps
  • H01J2893/0072 - Disassembly or repair of discharge tubes
  • Y02W30/828 - Lighting equipment or discharge tubes

• US Classifications

  • 313 - Electric lamp and discharge devices