2352137

Information

• Patent Grant
• 2352137

• References
• Source

• Patent Number

  2,352,137

• Date Filed

  Not available

• Date Issued

  Tuesday, June 20, 1944
  80 years ago

• CPC

  • H01J1/14 - characterised by the material
  • H01J9/045 - Activation of assembled cathode
  • Y10T428/2936 - Wound or wrapped core or coating [i.e., spiral or helical]
  • Y10T428/2958 - Metal or metal compound in coating

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 106 - Compositions: coating or plastic
  • 252 - Compositions
  • 313 - Electric lamp and discharge devices
  • 427 - Coating processes