3030935

Information

• Patent Grant
• 3030935

• References
• Source

• Patent Number

  3,030,935

• Date Filed

  Not available

• Date Issued

  Tuesday, April 24, 1962
  62 years ago

• CPC

  • E21B43/12 - Methods or apparatus for controlling the flow of the obtained fluid to or in wells
  • F16D65/14 - Actuating mechanisms for brakes Means for initiating operation at a predetermined position
  • Y10T74/1574 - Cooperating holding pawl

• US Classifications

  • 092 - Expansible chamber devices
  • 060 - Power plants
  • 074 - Machine element or mechanism
  • 091 - Motors: expansible chamber type
  • 464 - Rotary shafts, gudgeons, housings, and flexible couplings for rotary shafts