2071765

Information

• Patent Grant
• 2071765

• References
• Source

• Patent Number

  2,071,765

• Date Filed

  Not available

• Date Issued

  Tuesday, February 23, 1937
  87 years ago

• CPC

  • C23D3/00 - Chemical treatment of the metal surfaces prior to coating
  • C23D5/06 - producing designs or letters

• US Classifications

  • 427 - Coating processes