2173906

Information

• Patent Grant
• 2173906

• References
• Source

• Patent Number

  2,173,906

• Date Filed

  Not available

• Date Issued

  Tuesday, September 26, 1939
  85 years ago

• CPC

  • H01J5/44 - Annular seals disposed between the ends of the vessel
  • H01J2893/0036 - having wires, ribbons or tubes placed between two vessel walls and being perpendicular to at least one of said walls

• US Classifications

  • 174 - Electricity: conductors and insulators
  • 220 - Receptacles
  • 313 - Electric lamp and discharge devices
  • 445 - Electric lamp or space discharge component or device manufacturing