1173874

Information

• Patent Grant
• 1173874

• References
• Source

• Patent Number

  1,173,874

• Date Filed

  Not available

• Date Issued

  Tuesday, February 29, 1916
  108 years ago

• CPC

  • B21D53/82 - perforated music sheets pattern sheets
  • B26D1/085 - for thin material
  • Y10T83/8766 - Tool movement modifies actuating circuit

• US Classifications

  • 234 - Selective cutting
  • 083 - Cutting