337139

Information

• Patent Grant
• 337139

• References
• Source

• Patent Number

  337,139

• Date Filed

  Not available

• Date Issued

  Tuesday, March 2, 1886
  139 years ago

• CPC

  • B21D28/24 - Perforating
  • Y10T83/8821 - With simple rectilinear reciprocating motion only
  • Y10T83/8851 - Adjustable mechanical advantage
  • Y10T83/9488 - Adjustable

• US Classifications

  • 083 - Cutting