Baby bottle with air valve

Details Baby bottle with air valve Baby bottle with air valve

1988-09-28

1990-05-29

Marcus, Stephen

Bottles and jars

Nursing bottles and nipples

With vent or valve for air

215 114, 137542, A61J 904

Patent

active

049288369

ABSTRACT:
An air valve for a baby bottle that fits in the side of the baby bottle. A valve is disposed interior of an air pressure-sensitive diaphragm to permit air to enter the bottle when liquid is removed.

REFERENCES:
patent: 1732126 (1929-10-01), Gardner
patent: 2022083 (1935-11-01), Geistlinger
patent: 2084099 (1937-06-01), MacCoy
patent: 2711169 (1955-06-01), Hull et al.
patent: 2825479 (1958-03-01), Litzie
patent: 3200980 (1965-08-01), Jamell
patent: 3292808 (1966-12-01), Greene
patent: 4685577 (1987-08-01), Chen

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