254697

Information

• Patent Grant
• 254697

• References
• Source

• Patent Number

  254,697

• Date Filed

  Not available

• Date Issued

  Tuesday, March 7, 1882
  142 years ago

• CPC

  • B21C23/30 - on continuously-operating extrusion presses
  • Y10T29/49439 - Trap making

• US Classifications

  • 072 - Metal deforming
  • 029 - Metal working