137063

Information

• Patent Grant
• 137063

• References
• Source

• Patent Number

  137,063

• Date Filed

  Not available

• Date Issued

  Tuesday, March 25, 1873
  151 years ago

• CPC

  • B21D28/24 - Perforating
  • Y10T83/2122 - By ejector within a hollow cutter
  • Y10T83/2142 - Plural strippers operative upon plural tools
  • Y10T83/2161 - By free weight of stripper

• US Classifications

  • 083 - Cutting