1576055

Information

• Patent Grant
• 1576055

• References
• Source

• Patent Number

  1,576,055

• Date Filed

  Not available

• Date Issued

  Tuesday, March 9, 1926
  99 years ago

• CPC

  • B21G3/26 - by cutting from strip or sheet material
  • B21G5/02 - of drawing-pins or pins of drawing-pin type

• US Classifications

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