3322456

Information

• Patent Grant
• 3322456

• References
• Source

• Patent Number

  3,322,456

• Date Filed

  Not available

• Date Issued

  Tuesday, May 30, 1967
  57 years ago

• CPC

  • E21B19/00 - Handling rods, casings, tubes or the like outside the borehole
  • Y10S294/902 - Gripping element
  • Y10T24/44325 - having three or more pivotally connected gripping members
  • Y10T24/4435 - with extended lever portion
  • Y10T279/1986 - Jaws

• US Classifications

  • 294 - Handling: hand and hoist-line implements
  • 024 - Buckles, buttons, clasps, etc.
  • 081 - Tools
  • 269 - Work holders
  • 279 - Chucks or sockets