2774270

Information

• Patent Grant
• 2774270

• References
• Source

• Patent Number

  2,774,270

• Date Filed

  Not available

• Date Issued

  Tuesday, December 18, 1956
  68 years ago

• CPC

  • B25B13/44 - of the chuck type
  • B25B13/5075 - using jaws moving along radial cams or by excentric disks in a cage structure at least partially surrounding the pipe
  • Y10S81/10 - Iris-type wrench head

• US Classifications

  • 081 - Tools