3680585

Information

• Patent Grant
• 3680585

• References
• Source

• Patent Number

  3,680,585

• Date Filed

  Not available

• Date Issued

  Tuesday, August 1, 1972
  52 years ago

• CPC

  • B67D7/3227 - relating to venting of a container during loading or unloading
  • B63B57/04 - by ventilating
  • B63J2/08 - of holds
  • B63J2/10 - Ventilating-shaft Air-scoops
  • B65D90/34 - Venting means
  • F16K17/19 - Equalising valves predominantly for tanks
  • F16K17/196 - spring-loaded
  • F16K24/04 - for venting only
  • Y10T137/7771 - Bi-directional flow valves

• US Classifications

  • 137 - Fluid handling