1314450

Information

• Patent Grant
• 1314450

• References
• Source

• Patent Number

  1,314,450

• Date Filed

  Not available

• Date Issued

  Tuesday, August 26, 1919
  105 years ago

• CPC

  • C23F1/06 - Sharpening files

• US Classifications

  • 216 - Etching a substrate: processes
  • 076 - Metal tools and implements, making
  • 205 - Electrolysis: processes, compositions used therein, and methods of preparing the compositions