1660824

Information

• Patent Grant
• 1660824

• References
• Source

• Patent Number

  1,660,824

• Date Filed

  Not available

• Date Issued

  Tuesday, February 28, 1928
  96 years ago

• CPC

  • B23G1/02 - on an external or internal cylindrical or conical surface
  • Y10T82/205 - having swinging feed nut and tool bar
  • Y10T82/2549 - Feedscrews and rods

• US Classifications

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