3025423

Information

• Patent Grant
• 3025423

• References
• Source

• Patent Number

  3,025,423

• Date Filed

  Not available

• Date Issued

  Tuesday, March 13, 1962
  62 years ago

• CPC

  • C09K11/7778 - with alkaline earth metals
  • C09K11/7701 - Chalogenides
  • C09K11/771 - with alkaline earth metals
  • H01J61/44 - Devices characterised by the luminescent material

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 252 - Compositions