3847040

Information

• Patent Grant
• 3847040

• References
• Source

• Patent Number

  3,847,040

• Date Filed

  Not available

• Date Issued

  Tuesday, November 12, 1974
  50 years ago

• CPC

  • E21B19/16 - Connecting or disconnecting pipe couplings or joints
  • B25B13/5075 - using jaws moving along radial cams or by excentric disks in a cage structure at least partially surrounding the pipe

• US Classifications

  • 081 - Tools