3422472

Information

• Patent Grant
• 3422472

• References
• Source

• Patent Number

  3,422,472

• Date Filed

  Not available

• Date Issued

  Tuesday, January 21, 1969
  55 years ago

• CPC

  • B23G9/002 - Slotting screw heads or shanks
  • B23G9/001 - Working screws

• US Classifications

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