Animal husbandry – Watering or liquid feed device – Fountains and troughs
Patent
1988-09-02
1990-07-03
Swiatek, Robert P.
Animal husbandry
Watering or liquid feed device
Fountains and troughs
A01K 3900
Patent
active
049381687
ABSTRACT:
Embodiments of a neew hummingbird feeder are disclosed, each effectively preventing birds and bees from feeding, yet allowing hummingbirds to feed, by providing upwardly projecting feeding channels with outer openings that are at least 3/4 of an inch (and preferably 13/8 inches) beyond the normal level of feeding solution in the dispensing cap.
REFERENCES:
patent: 3125069 (1964-03-01), Fowler
patent: 3301220 (1967-01-01), Queen
patent: 4558662 (1985-12-01), Peterson
"Hummingbird Bird Feeder", National Geographic Magazine, Jun. 1929 and Aug. 1947.
Popular Mechanics, "Hummingbird Cafeteria", Richard W. Emery, pp. 123-125, Dec. 1946.
Hawes James E.
Price R. Thomas
Swiatek Robert P.
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