2857219

Information

• Patent Grant
• 2857219

• References
• Source

• Patent Number

  2,857,219

• Date Filed

  Not available

• Date Issued

  Tuesday, October 21, 1958
  66 years ago

• CPC

  • F04B53/143 - Sealing provided on the piston
  • F04B1/02 - having two cylinders
  • F04B15/04 - the fluids being hot or corrosive
  • F04B53/1015 - Combinations of ball valves working in parallel
  • F04B53/1032 - Spring-actuated disc valves

• US Classifications

  • 092 - Expansible chamber devices