1693957

Information

• Patent Grant
• 1693957

• References
• Source

• Patent Number

  1,693,957

• Date Filed

  Not available

• Date Issued

  Tuesday, December 4, 1928
  96 years ago

• CPC

  • B21K1/705 - Castellated nuts
  • B23G1/205 - specially adapted for making nuts

• US Classifications

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