2167275

Information

• Patent Grant
• 2167275

• References
• Source

• Patent Number

  2,167,275

• Date Filed

  Not available

• Date Issued

  Tuesday, July 25, 1939
  86 years ago

• CPC

  • H05G1/68 - Circuit arrangements for Lilienfield tubes Circuit arrangements for gas-filled X-ray tubes
  • H01J35/02 - Details

• US Classifications

  • 378 - X-ray or gamma ray systems or devices
  • 310 - Electrical generator or motor structure
  • 313 - Electric lamp and discharge devices
  • 324 - Electricity: measuring and testing