2874077

Information

• Patent Grant
• 2874077

• References
• Source

• Patent Number

  2,874,077

• Date Filed

  Not available

• Date Issued

  Tuesday, February 17, 1959
  65 years ago

• CPC

  • H01J9/045 - Activation of assembled cathode

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 204 - Chemistry: electrical and wave energy
  • 252 - Compositions
  • 313 - Electric lamp and discharge devices
  • 427 - Coating processes