3697399

Information

• Patent Grant
• 3697399

• References
• Source

• Patent Number

  3,697,399

• Date Filed

  Not available

• Date Issued

  Tuesday, October 10, 1972
  52 years ago

• CPC

  • C25D7/0678 - using masks

• US Classifications

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