3174190

Information

• Patent Grant
• 3174190

• References
• Source

• Patent Number

  3,174,190

• Date Filed

  Not available

• Date Issued

  Tuesday, March 23, 1965
  59 years ago

• CPC

  • B21K1/54 - with grooves or notches

• US Classifications

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