3557818

Information

• Patent Grant
• 3557818

• References
• Source

• Patent Number

  3,557,818

• Date Filed

  Not available

• Date Issued

  Tuesday, January 26, 1971
  53 years ago

• CPC

  • G05D16/0655 - using one spring-loaded membrane
  • F17B1/12 - Gas admission or discharge arrangements
  • Y10T137/3755 - Valve actuating, assembling or locking means on cap
  • Y10T137/7826 - With valve closing bias
  • Y10T137/87869 - Biased open
  • Y10T137/87941 - Each valve and/or closure operated by coupling motion

• US Classifications

  • 137 - Fluid handling