2391223

Information

• Patent Grant
• 2391223

• References
• Source

• Patent Number

  2,391,223

• Date Filed

  Not available

• Date Issued

  Tuesday, December 18, 1945
  80 years ago

• CPC

  • B23G5/02 - without means for adjustment
  • Y10T408/904 - with pitch-stabilizing ridge
  • Y10T408/9048 - Extending outwardly from tool-axis
  • Y10T408/906 - Axially spaced
  • Y10T408/90993 - Screw driven means

• US Classifications

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