3853037

Information

• Patent Grant
• 3853037

• References
• Source

• Patent Number

  3,853,037

• Date Filed

  Not available

• Date Issued

  Tuesday, December 10, 1974
  50 years ago

• CPC

  • F15B11/06 - involving features specific to the use of a compressible medium
  • B23Q3/08 - other than mechanically-actuated
  • B25B5/061 - with fluid drive
  • F15B11/0365 - Tandem constructions
  • B23Q2703/04 - using fluid means or a vacuum
  • F15B2211/30505 - Non-return valves
  • F15B2211/327 - electrically or electronically
  • F15B2211/7056 - Tandem cylinders
  • F15B2211/7716 - with automatic return
  • Y10T137/7772 - One head and seat carried by head of another

• US Classifications

  • 091 - Motors: expansible chamber type
  • 137 - Fluid handling