631576

Information

• Patent Grant
• 631576

• References
• Source

• Patent Number

  631,576

• Date Filed

  Not available

• Date Issued

  Tuesday, August 22, 1899
  126 years ago

• CPC

  • B23G1/02 - on an external or internal cylindrical or conical surface
  • Y10T82/205 - having swinging feed nut and tool bar

• US Classifications

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