2647864

Information

• Patent Grant
• 2647864

• References
• Source

• Patent Number

  2,647,864

• Date Filed

  Not available

• Date Issued

  Tuesday, August 4, 1953
  71 years ago

• CPC

  • C23F1/18 - for etching copper or alloys thereof
  • B41N1/10 - multiple

• US Classifications

  • 205 - Electrolysis: processes, compositions used therein, and methods of preparing the compositions
  • 101 - Printing
  • 216 - Etching a substrate: processes
  • 252 - Compositions