1737739

Information

• Patent Grant
• 1737739

• References
• Source

• Patent Number

  1,737,739

• Date Filed

  Not available

• Date Issued

  Tuesday, December 3, 1929
  95 years ago

• CPC

  • B23G1/06 - specially adapted for making conical screws
  • Y10T408/906 - Axially spaced

• US Classifications

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