1865226

Information

• Patent Grant
• 1865226

• References
• Source

• Patent Number

  1,865,226

• Date Filed

  Not available

• Date Issued

  Tuesday, June 28, 1932
  92 years ago

• CPC

  • B23G1/06 - specially adapted for making conical screws

• US Classifications

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