1442659

Information

• Patent Grant
• 1442659

• References
• Source

• Patent Number

  1,442,659

• Date Filed

  Not available

• Date Issued

  Tuesday, January 16, 1923
  102 years ago

• CPC

  • B23B51/123 - Conical reduction sleeves
  • B23B31/117 - Retention by friction only
  • B23B2260/034 - Drawbars
  • B23B2260/084 - Hirth couplings
  • Y10T279/17965 - Drill type

• US Classifications

  • 279 - Chucks or sockets