3905386

Information

• Patent Grant
• 3905386

• References
• Source

• Patent Number

  3,905,386

• Date Filed

  Not available

• Date Issued

  Tuesday, September 16, 1975
  49 years ago

• CPC

  • E03C1/104 - using a single check valve
  • F16K15/148 - the closure elements being fixed in their centre
  • Y10T137/3149 - Back flow prevention by vacuum breaking [e.g., anti-siphon devices]
  • Y10T137/7862 - Central post on seat

• US Classifications

  • 137 - Fluid handling