3225244

Information

• Patent Grant
• 3225244

• References
• Source

• Patent Number

  3,225,244

• Date Filed

  Not available

• Date Issued

  Tuesday, December 21, 1965
  59 years ago

• CPC

  • H01J61/22 - vapour of an alkali metal
  • H01J61/30 - Vessels Containers
  • H01J61/302 - characterised by the material of the vessel
  • H01J61/74 - having a main light-emitting filling of difficult vaporisable metal vapour

• US Classifications

  • 313 - Electric lamp and discharge devices