3808107

Information

• Patent Grant
• 3808107

• References
• Source

• Patent Number

  3,808,107

• Date Filed

  Not available

• Date Issued

  Tuesday, April 30, 1974
  50 years ago

• CPC

  • H01J9/142 - of shadow-masks for colour television tubes
  • C25D3/22 - of zinc
  • C25D5/34 - Pretreatment of metallic surfaces to be electroplated
  • C25D17/008 - Current insulating devices
  • C25D21/04 - Removal of gases or vapours ; gas or pressure control
  • H01J9/144 - Mask treatment related to the process of dot deposition during manufacture of luminescent screen

• US Classifications

  • 205 - Electrolysis: processes, compositions used therein, and methods of preparing the compositions
  • 204 - Chemistry: electrical and wave energy