3791458

Information

• Patent Grant
• 3791458

• References
• Source

• Patent Number

  3,791,458

• Date Filed

  Not available

• Date Issued

  Tuesday, February 12, 1974
  51 years ago

• CPC

  • B25B21/00 - Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
  • F16K17/20 - Excess-flow valves
  • Y10T137/1171 - With fluid servo-motor

• US Classifications

  • 173 - Tool driving or impacting
  • 137 - Fluid handling
  • 418 - Rotary expansible chamber devices