1748459

Information

• Patent Grant
• 1748459

• References
• Source

• Patent Number

  1,748,459

• Date Filed

  Not available

• Date Issued

  Tuesday, February 25, 1930
  94 years ago

• CPC

  • B23G1/261 - Die and tap wrenches
  • Y10T408/904 - with pitch-stabilizing ridge
  • Y10T408/90993 - Screw driven means
  • Y10T408/95 - with tool-retaining means

• US Classifications

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