3682572

Information

• Patent Grant
• 3682572

• References
• Source

• Patent Number

  3,682,572

• Date Filed

  Not available

• Date Issued

  Tuesday, August 8, 1972
  52 years ago

• CPC

  • F04B1/0443 - Draining of the engine housing; arrangements dealing with leakage fluid
  • F04B1/0421 - Cylinders
  • F04B1/053 - with an actuating or actuated element at the inner ends of the cylinders
  • F04B49/18 - by changing the effective cross-section of the working surface of the piston
  • F04B53/126 - Ball valves
  • F04B53/162 - Adaptations of cylinders

• US Classifications

  • 417 - Pumps