1716155

Information

• Patent Grant
• 1716155

• References
• Source

• Patent Number

  1,716,155

• Date Filed

  Not available

• Date Issued

  Tuesday, June 4, 1929
  96 years ago

• CPC

  • H01J41/06 - with ionisation by means of cold cathodes
  • H01J7/42 - Means structurally associated with the tube or lamp for indicating defects or previous use
  • Y10T307/74 - Switching systems

• US Classifications

  • 307 - Electrical transmission or interconnection systems
  • 200 - Electricity: circuit makers and breakers
  • 313 - Electric lamp and discharge devices
  • 315 - Electric lamp and discharge devices: systems
  • 324 - Electricity: measuring and testing
  • 361 - Electricity: electrical systems and devices