1021049

Information

• Patent Grant
• 1021049

• References
• Source

• Patent Number

  1,021,049

• Date Filed

  Not available

• Date Issued

  Tuesday, March 26, 1912
  112 years ago

• CPC

  • B21D53/82 - perforated music sheets pattern sheets
  • B26D1/085 - for thin material
  • Y10T83/7487 - Means to clamp work

• US Classifications

  • 234 - Selective cutting
  • 083 - Cutting