2167189

Information

• Patent Grant
• 2167189

• References
• Source

• Patent Number

  2,167,189

• Date Filed

  Not available

• Date Issued

  Tuesday, July 25, 1939
  86 years ago

• CPC

  • B23B39/006 - Portal drilling machines
  • Y10S411/918 - Threadless nut
  • Y10T408/21 - with signal, indicator, illuminator or optical means
  • Y10T408/5617 - Laterally adjustable surface
  • Y10T409/308736 - with position indicator or stop

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool
  • 033 - Geometrical instruments
  • 409 - Gear cutting, milling, or planing
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
  • 451 - Abrading