2687281

Information

• Patent Grant
• 2687281

• References
• Source

• Patent Number

  2,687,281

• Date Filed

  Not available

• Date Issued

  Tuesday, August 24, 1954
  70 years ago

• CPC

  • E21B7/046 - horizontal drilling
  • Y10T24/44068 - having gripping member actuated by fluid force
  • Y10T74/1598 - Driven ratchet-bar and power dog
  • Y10T279/17179 - Wedge
  • Y10T279/17188 - Side detent
  • Y10T279/17196 - Ball or roller

• US Classifications

  • 279 - Chucks or sockets
  • 024 - Buckles, buttons, clasps, etc.
  • 074 - Machine element or mechanism
  • 254 - Implements or apparatus for applying pushing or pulling force