2979371

Information

• Patent Grant
• 2979371

• References
• Source

• Patent Number

  2,979,371

• Date Filed

  Not available

• Date Issued

  Tuesday, April 11, 1961
  63 years ago

• CPC

  • H01J29/94 - Selection of substances for gas fillings Means for obtaining or maintaining the desired pressure within the tube
  • G01R31/257 - Testing of beam-tubes

• US Classifications

  • 445 - Electric lamp or space discharge component or device manufacturing
  • 324 - Electricity: measuring and testing