VENTAFIL
FILLING DEVICE FOR ATTACHMENT TO A FLUID DELIVERY HOSE AND FOR INSERTION IN THE FILLING OPENING OF A TANK TO FACILITATE THE PASSAGE OF FLUID INTO THE TANK, TO VENT GAS FROM THE TANK AND TO PROVIDE A SIGNAL WHEN THE TANK IS FILLED TO A POINT WHEN THE FLOW OF GAS THROUGH THE SIGNAL IS ALTERED
Registered · October 29, 1957 · 72039751 ·