2617969

Information

• Patent Grant
• 2617969

• References
• Source

• Patent Number

  2,617,969

• Date Filed

  Not available

• Date Issued

  Tuesday, November 11, 1952
  72 years ago

• CPC

  • H03K3/55 - the switching device being a gas-filled tube having a control electrode
  • H01J17/46 - for preventing and then permitting ignition but thereafter having no control
  • H01J17/56 - for preventing and then permitting ignition, but thereafter having no control

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 313 - Electric lamp and discharge devices