1444433

Information

• Patent Grant
• 1444433

• References
• Source

• Patent Number

  1,444,433

• Date Filed

  Not available

• Date Issued

  Tuesday, February 6, 1923
  102 years ago

• CPC

  • B23G1/06 - specially adapted for making conical screws
  • Y10T408/482 - Driven by means having sliding engagement therewith

• US Classifications

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