3753663

Information

• Patent Grant
• 3753663

• References
• Source

• Patent Number

  3,753,663

• Date Filed

  Not available

• Date Issued

  Tuesday, August 21, 1973
  51 years ago

• CPC

  • H01J9/144 - Mask treatment related to the process of dot deposition during manufacture of luminescent screen
  • H01J9/142 - of shadow-masks for colour television tubes
  • Y10T428/12361 - having aperture or cut
  • Y10T428/12389 - having variation in thickness

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 313 - Electric lamp and discharge devices