3808623

Information

• Patent Grant
• 3808623

• References
• Source

• Patent Number

  3,808,623

• Date Filed

  Not available

• Date Issued

  Tuesday, May 7, 1974
  50 years ago

• CPC

  • B23G9/001 - Working screws

• US Classifications

  • 470 - Threaded, headed fastener, or washer making: process and apparatus