3550623

Information

• Patent Grant
• 3550623

• References
• Source

• Patent Number

  3,550,623

• Date Filed

  Not available

• Date Issued

  Tuesday, December 29, 1970
  55 years ago

• CPC

  • G05D16/0672 - using several spring-loaded membranes
  • Y10T137/7801 - Balanced valve
  • Y10T137/7812 - Valve stem passes through the aperture
  • Y10T137/87917 - Flow path with serial valves and/or closures

• US Classifications

  • 137 - Fluid handling