3656020

Information

• Patent Grant
• 3656020

• References
• Source

• Patent Number

  3,656,020

• Date Filed

  Not available

• Date Issued

  Tuesday, April 11, 1972
  52 years ago

• CPC

  • H01J1/28 - Dispenser-type cathodes
  • H01J1/10 - Cooling, heating, circulating, filtering, or controlling level of liquid in a liquid-pool electrode

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 252 - Compositions