2591887

Information

• Patent Grant
• 2591887

• References
• Source

• Patent Number

  2,591,887

• Date Filed

  Not available

• Date Issued

  Tuesday, April 8, 1952
  73 years ago

• CPC

  • E21B19/161 - using a wrench or a spinner adapted to engage a circular section of pipe
  • B25B13/505 - Pivotally moving or adjustable
  • Y10S81/09 - Pivoted jaw latch means
  • Y10T24/44564 - having specific surface material or irregularity on or along engaging face

• US Classifications

  • 081 - Tools
  • 024 - Buckles, buttons, clasps, etc.