3140417

Information

• Patent Grant
• 3140417

• References
• Source

• Patent Number

  3,140,417

• Date Filed

  Not available

• Date Issued

  Tuesday, July 7, 1964
  60 years ago

• CPC

  • H01J61/80 - Lamps suitable only for intermittent operation
  • C03C27/044 - of glass, glass-ceramic or ceramic material only
  • H01J1/96 - Spacing members extending to the envelope
  • H01J5/32 - Seals for leading-in conductors
  • H01J5/42 - using intermediate part
  • H01J61/0732 - characterised by the construction of the electrode
  • H01J61/366 - Seals for leading-in conductors
  • H01J2893/0034 - Lamp bases

• US Classifications

  • 313 - Electric lamp and discharge devices