3378045

Information

• Patent Grant
• 3378045

• References
• Source

• Patent Number

  3,378,045

• Date Filed

  Not available

• Date Issued

  Tuesday, April 16, 1968
  56 years ago

• CPC

  • B42B5/123 - Devices for assembling the elements with the stack of sheets
  • B21F3/04 - externally on a mandrel or the like
  • B21F3/06 - internally on a hollow form
  • B21F45/16 - of devices for fastening or securing purposes

• US Classifications

  • 140 - Wireworking
  • 072 - Metal deforming