3407123

Information

• Patent Grant
• 3407123

• References
• Source

• Patent Number

  3,407,123

• Date Filed

  Not available

• Date Issued

  Tuesday, October 22, 1968
  56 years ago

• CPC

  • H01J9/42 - Measurement or testing during manufacture
  • H01J7/42 - Means structurally associated with the tube or lamp for indicating defects or previous use

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 073 - Measuring and testing
  • 204 - Chemistry: electrical and wave energy
  • 324 - Electricity: measuring and testing
  • 340 - Communications: electrical
  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing
  • 427 - Coating processes
  • 436 - Chemistry: analytical and immunological testing