2056648

Information

• Patent Grant
• 2056648

• References
• Source

• Patent Number

  2,056,648

• Date Filed

  Not available

• Date Issued

  Tuesday, October 6, 1936
  88 years ago

• CPC

  • H01J61/34 - Double-wall vessels or containers
  • H01J61/547 - using an auxiliary electrode outside the vessel
  • H01J61/74 - having a main light-emitting filling of difficult vaporisable metal vapour

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 362 - Illumination