3109187

Information

• Patent Grant
• 3109187

• References
• Source

• Patent Number

  3,109,187

• Date Filed

  Not available

• Date Issued

  Tuesday, November 5, 1963
  61 years ago

• CPC

  • B21G3/18 - by operations not restricted to one of the groups B21G3/12 - B21G3/16
  • B21G3/005 - Nails or pins for special purposes
  • B21G3/20 - from wire of indefinite length
  • Y10S411/923 - Nail, spike or tack having specific head structure

• US Classifications

  • 470 - Threaded, headed fastener, or washer making: process and apparatus
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener