1390620

Information

• Patent Grant
• 1390620

• References
• Source

• Patent Number

  1,390,620

• Date Filed

  Not available

• Date Issued

  Tuesday, September 13, 1921
  103 years ago

• CPC

  • B42D25/29 - Securities Bank notes
  • Y10T225/226 - With changeable blade-edge contour
  • Y10T225/229 - Blade slidable along plane of work surface

• US Classifications

  • 225 - Severing by tearing or breaking