Dispensing – With filter – Associated with vent passage
Patent
1980-06-13
1981-06-16
Spar, Robert J.
Dispensing
With filter
Associated with vent passage
222479, 222484, 222517, B67D 558, B67D 300
Patent
active
042732654
ABSTRACT:
A dispensing spout which may readily be coupled to the opening of a liquid container. The spout has a closure and a venting tube, the latter of which is adapted to be located in the container at a position to allow atmospheric air to flow into the container to facilitate dispensing of the liquid when the closure is opened for dispensing purposes.
REFERENCES:
patent: 1193157 (1916-08-01), Krause et al.
patent: 1907976 (1933-05-01), Jones
patent: 2329716 (1943-09-01), Johnson
patent: 2365695 (1944-12-01), Grice
patent: 3054537 (1962-09-01), Doyle
patent: 3173587 (1965-03-01), Stearns
patent: 3469747 (1969-09-01), Richmond, Jr.
patent: 3901417 (1975-08-01), Schieman
Silverberg Fred A.
Spar Robert J.
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