227946

Information

• Patent Grant
• 227946

• References
• Source

• Patent Number

  227,946

• Date Filed

  Not available

• Date Issued

  Tuesday, May 25, 1880
  144 years ago

• CPC

  • B21D5/04 - on brakes making use of clamping means on one side of the work
  • B21J1/04 - Shaping in the rough solely by forging or pressing
  • B21K7/02 - parts for permanent way

• US Classifications

  • 072 - Metal deforming