3697321

Information

• Patent Grant
• 3697321

• References
• Source

• Patent Number

  3,697,321

• Date Filed

  Not available

• Date Issued

  Tuesday, October 10, 1972
  52 years ago

• CPC

  • H01J1/146 - with metals or alloys as an emissive material
  • H01J9/042 - Manufacture, activation of the emissive part
  • Y10S428/936 - Chemical deposition

• US Classifications

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