2489850

Information

• Patent Grant
• 2489850

• References
• Source

• Patent Number

  2,489,850

• Date Filed

  Not available

• Date Issued

  Tuesday, November 29, 1949
  75 years ago

• CPC

  • H01J19/50 - Spacing members extending to the envelope
  • H01J2893/0008 - Supply leads Electrode supports via rigid connection to vessel

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 248 - Supports
  • 445 - Electric lamp or space discharge component or device manufacturing