2717401

Information

• Patent Grant
• 2717401

• References
• Source

• Patent Number

  2,717,401

• Date Filed

  Not available

• Date Issued

  Tuesday, September 13, 1955
  69 years ago

• CPC

  • B23G7/00 - Forming thread by means of tools similar both in form and in manner of use to thread-cutting tools, but without removing any material
  • B44B3/04 - wherein non-plane surfaces are worked
  • B44B2700/025 - for engraving a surface of revolution
  • Y10T82/25 - Lathe

• US Classifications

  • 470 - Threaded, headed fastener, or washer making: process and apparatus
  • 033 - Geometrical instruments
  • 082 - Turning