2717674

Information

• Patent Grant
• 2717674

• References
• Source

• Patent Number

  2,717,674

• Date Filed

  Not available

• Date Issued

  Tuesday, September 13, 1955
  69 years ago

• CPC

  • E21C37/22 - Hand tools or hand-held power-operated tools specially adapted for dislodging minerals
  • Y10T74/19219 - Interchangeably locked
  • Y10T74/19484 - Single speed forward and reverse
  • Y10T403/7086 - Wedge pin

• US Classifications

  • 192 - Clutches and power-stop control
  • 074 - Machine element or mechanism
  • 403 - Joints and connections