3500719

Information

• Patent Grant
• 3500719

• References
• Source

• Patent Number

  3,500,719

• Date Filed

  Not available

• Date Issued

  Tuesday, March 17, 1970
  55 years ago

• CPC

  • E21D23/0065 - driven, or automatically
  • E21D23/26 - Hydraulic or pneumatic control
  • G05B19/46 - hydraulic
  • Y10T137/86413 - Self-cycling

• US Classifications

  • 091 - Motors: expansible chamber type
  • 137 - Fluid handling
  • 405 - Hydraulic and earth engineering