2329744

Information

• Patent Grant
• 2329744

• References
• Source

• Patent Number

  2,329,744

• Date Filed

  Not available

• Date Issued

  Tuesday, September 21, 1943
  82 years ago

• CPC

  • B21D53/36 - clips, clamps, or like fastening or attaching devices
  • A43B23/20 - Nails, pegs, pins, clamps, or tacks, for footwear
  • F16B15/04 - with spreading shaft

• US Classifications

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