2485561

Information

• Patent Grant
• 2485561

• References
• Source

• Patent Number

  2,485,561

• Date Filed

  Not available

• Date Issued

  Tuesday, October 25, 1949
  75 years ago

• CPC

  • H01J29/89 - Optical or photographic arrangements structurally combined or co-operating with the vessel
  • H01J29/24 - Supports for luminescent material
  • H01J2229/8915 - Surface treatment of vessel or device

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 250 - Radiant energy