2212929

Information

• Patent Grant
• 2212929

• References
• Source

• Patent Number

  2,212,929

• Date Filed

  Not available

• Date Issued

  Tuesday, August 27, 1940
  84 years ago

• CPC

  • H01J19/34 - forming part of the envelope
  • H01J19/42 - Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies
  • H01J2893/0002 - Construction arrangements of electrode systems
  • H01J2893/0004 - Anodes formed in central part

• US Classifications

  • 313 - Electric lamp and discharge devices