1555163

Information

• Patent Grant
• 1555163

• References
• Source

• Patent Number

  1,555,163

• Date Filed

  Not available

• Date Issued

  Tuesday, September 29, 1925
  99 years ago

• CPC

  • B23G9/008 - Finishing nuts

• US Classifications

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