3274895

Information

• Patent Grant
• 3274895

• References
• Source

• Patent Number

  3,274,895

• Date Filed

  Not available

• Date Issued

  Tuesday, September 27, 1966
  58 years ago

• CPC

  • B24B23/043 - reciprocatingly driven by a pneumatic or hydraulic piston
  • B23D67/00 - Filing or rasping machines of devices
  • B23Q5/033 - driven essentially by fluid pressure
  • Y10T137/86638 - Rotary valve
  • Y10T137/86839 - Four port reversing valves

• US Classifications

  • 091 - Motors: expansible chamber type
  • 092 - Expansible chamber devices
  • 137 - Fluid handling
  • 251 - Valves and valve actuation
  • 451 - Abrading