2690519

Information

• Patent Grant
• 2690519

• References
• Source

• Patent Number

  2,690,519

• Date Filed

  Not available

• Date Issued

  Tuesday, September 28, 1954
  70 years ago

• CPC

  • H01J29/16 - Incandescent screens

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 430 - Radiation imagery chemistry: process, composition, or product thereof