3889557

Information

• Patent Grant
• 3889557

• References
• Source

• Patent Number

  3,889,557

• Date Filed

  Not available

• Date Issued

  Tuesday, June 17, 1975
  49 years ago

• CPC

  • B25B13/5066 - using rollers moving along radial cams in a cage structure at least partially surrounding the pipe
  • B25B13/00 - Spanners Wrenches
  • B25B23/103 - for gripping threaded studs
  • Y10T279/17564 - Loose jaws
  • Y10T279/17726 - Roller and rocking jaw

• US Classifications

  • 081 - Tools
  • 279 - Chucks or sockets