1891721

Information

• Patent Grant
• 1891721

• References
• Source

• Patent Number

  1,891,721

• Date Filed

  Not available

• Date Issued

  Tuesday, December 20, 1932
  92 years ago

• CPC

  • B23G9/005 - Working nuts
  • B23G9/008 - Finishing nuts
  • Y10T82/2516 - Magazine type
  • Y10T408/385 - Rotatable about parallel axes
  • Y10T408/54 - Means to intermittently advance work

• US Classifications

  • 470 - Threaded, headed fastener, or washer making: process and apparatus
  • 082 - Turning
  • 408 - Cutting by use of rotating axially moving tool