Variable size nursing bottle

Details Variable size nursing bottle Variable size nursing bottle

1990-12-17

1992-01-07

Weaver, Sue A.

Bottles and jars

Nursing bottles and nipples

215 116, 220 8, A61J 900

Patent

active

050782878

ABSTRACT:
A nursing bottle that can be adjusted in size so as to reduce the vacant space within the bottle; the aim is to prevent a vacuum from forming in the bottle. The bottle includes a cup-shaped liner that is telescopically slidable within a tubular sleeve. A circumferential rib on the liner has snap-fit engagement with selected grooves in the sleeve wall for determining the effective size of the bottle.

REFERENCES:
patent: 985328 (1911-02-01), Decker
patent: 2208360 (1940-07-01), Duerme
patent: 2780378 (1957-02-01), Romano
patent: 2853209 (1958-09-01), McArdle
patent: 3093256 (1963-06-01), Woodbury, Jr.
patent: 3514008 (1970-05-01), Dorn
patent: 3651973 (1972-03-01), Yamauchi
patent: 3718140 (1973-02-01), Yamauchi
patent: 4010861 (1977-03-01), Welten
patent: 4730744 (1988-03-01), Vincguerra
patent: 4813556 (1989-03-01), Lawrence

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