3746630

Information

• Patent Grant
• 3746630

• References
• Source

• Patent Number

  3,746,630

• Date Filed

  Not available

• Date Issued

  Tuesday, July 17, 1973
  51 years ago

• CPC

  • C25D7/0678 - using masks
  • C25D17/004 - Sealing devices

• US Classifications

  • 204 - Chemistry: electrical and wave energy