2258472

Information

• Patent Grant
• 2258472

• References
• Source

• Patent Number

  2,258,472

• Date Filed

  Not available

• Date Issued

  Tuesday, October 7, 1941
  83 years ago

• CPC

  • C09K11/085 - Vanadates
  • H01J61/44 - Devices characterised by the luminescent material

• US Classifications

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