1389645

Information

• Patent Grant
• 1389645

• References
• Source

• Patent Number

  1,389,645

• Date Filed

  Not available

• Date Issued

  Tuesday, September 6, 1921
  104 years ago

• CPC

  • C14B5/00 - Clicking, perforating, or cutting leather
  • C14B2700/116 - Perforating machines
  • Y10T83/0476 - Including stacking of plural workpieces
  • Y10T83/0486 - With manipulation of tool protective strip [e.g., backing strip]
  • Y10T83/06 - Blanking
  • Y10T83/8725 - Including movable, tool protecting, cushioning sheet

• US Classifications

  • 083 - Cutting
  • 493 - Manufacturing container or tube from paper