2939986

Information

• Patent Grant
• 2939986

• References
• Source

• Patent Number

  2,939,986

• Date Filed

  Not available

• Date Issued

  Tuesday, June 7, 1960
  64 years ago

• CPC

  • H01J19/34 - forming part of the envelope
  • H01J2893/0003 - Anodes forming part of vessel walls

• US Classifications

  • 313 - Electric lamp and discharge devices