Animal husbandry – Watering or liquid feed device – Fountains and troughs
Patent
1996-03-21
1998-02-24
Swiatek, Robert P.
Animal husbandry
Watering or liquid feed device
Fountains and troughs
119 73, A01K 702
Patent
active
057202397
ABSTRACT:
An animal watering tank includes a spherical ball closure member which is returnable to its closed position by a track which extends laterally and downwardly into the water. The track is of one piece construction and is secured to the bottom side of the top wall of the tank in an upwardly extending locating recess.
REFERENCES:
patent: 3150639 (1964-09-01), Sereda
patent: 4386582 (1983-06-01), Adsit
patent: 4426956 (1984-01-01), McKinstry
patent: 4559905 (1985-12-01), Ahrens
patent: 4739727 (1988-04-01), Boyer
patent: 4922858 (1990-05-01), Ahrens
patent: 4953507 (1990-09-01), Robinson
patent: 5437244 (1995-08-01), Van Gilst
Ahrens Agricultural Industries, Inc.
Shaw Elizabeth
Swiatek Robert P.
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