3722069

Information

• Patent Grant
• 3722069

• References
• Source

• Patent Number

  3,722,069

• Date Filed

  Not available

• Date Issued

  Tuesday, March 27, 1973
  52 years ago

• CPC

  • H01J9/12 - of photo-emissive cathodes of secondary-emission electrodes
  • 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
  • Y10T29/4979 - Breaking through weakened portion
  • Y10T29/49821 - by altering or destroying work part or connector

• US Classifications

  • 029 - Metal working