1475514

Information

• Patent Grant
• 1475514

• References
• Source

• Patent Number

  1,475,514

• Date Filed

  Not available

• Date Issued

  Tuesday, November 27, 1923
  101 years ago

• CPC

  • B23B31/06 - Features relating to the removal of tools Accessories therefor
  • B23B51/02 - Twist drills
  • B23B51/123 - Conical reduction sleeves
  • B23B2251/02 - Connections between shanks and removable cutting heads
  • B23B2260/138 - Screw threads
  • Y10T279/17965 - Drill type
  • Y10T408/907 - including detailed shank
  • Y10T408/90993 - Screw driven means

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool
  • 279 - Chucks or sockets