1993724

Information

• Patent Grant
• 1993724

• References
• Source

• Patent Number

  1,993,724

• Date Filed

  Not available

• Date Issued

  Tuesday, March 5, 1935
  90 years ago

• CPC

  • 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
  • 220 - Receptacles