1903668

Information

• Patent Grant
• 1903668

• References
• Source

• Patent Number

  1,903,668

• Date Filed

  Not available

• Date Issued

  Tuesday, April 11, 1933
  92 years ago

• CPC

  • B21F45/00 - Wire-working in the manufacture of other particular articles
  • B21G3/005 - Nails or pins for special purposes

• US Classifications

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