3787939

Information

• Patent Grant
• 3787939

• References
• Source

• Patent Number

  3,787,939

• Date Filed

  Not available

• Date Issued

  Tuesday, January 29, 1974
  50 years ago

• CPC

  • H01J9/144 - Mask treatment related to the process of dot deposition during manufacture of luminescent screen

• US Classifications

  • 445 - Electric lamp or space discharge component or device manufacturing
  • 313 - Electric lamp and discharge devices
  • 430 - Radiation imagery chemistry: process, composition, or product thereof