3811269

Information

• Patent Grant
• 3811269

• References
• Source

• Patent Number

  3,811,269

• Date Filed

  Not available

• Date Issued

  Tuesday, May 21, 1974
  50 years ago

• CPC

  • B21K1/72 - hooks
  • B21F45/16 - of devices for fastening or securing purposes
  • B21G7/02 - of U-like shape

• US Classifications

  • 059 - Chain, staple, and horseshoe making
  • 470 - Threaded, headed fastener, or washer making: process and apparatus