1418485

Information

• Patent Grant
• 1418485

• References
• Source

• Patent Number

  1,418,485

• Date Filed

  Not available

• Date Issued

  Tuesday, June 6, 1922
  102 years ago

• CPC

  • B23B51/009 - Stepped drills
  • B23B2251/14 - Configuration of the cutting part
  • B23B2251/207 - Six cutting edges
  • Y10T279/17863 - Shouldered-tang holding
  • Y10T407/195 - Compound tooth arrangement
  • Y10T407/1962 - Specified tooth shape or spacing
  • Y10T408/905 - Having stepped cutting edges
  • Y10T408/906 - Axially spaced

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool
  • 279 - Chucks or sockets
  • 407 - Cutters, for shaping