Vented nursing bottle with leak prevention means

Details Vented nursing bottle with leak prevention means Vented nursing bottle with leak prevention means

2011-07-26

2011-07-26

Mai, Tri M (Department: 3781)

Bottles and jars

Nursing bottles and nipples

With vent or valve for air

C215S011100, C215S902000

Reexamination Certificate

active

07984818

ABSTRACT:
An improved bottle assembly consisting of a container1100, a vent unit1200, a nipple1300, and collar1400, wherein the vent unit1200geometry allows air to enter the assembly to prevent development of a partial vacuum, yet will not allow liquid to escape through said vent unit when assembly is rotated into a horizontal or inverted position during use.

REFERENCES:
patent: 2239275 (1941-04-01), Schwab
patent: 2742168 (1956-04-01), Panetti
patent: 3059797 (1962-10-01), Wilkinson et al.
patent: 3120330 (1964-02-01), Ermecke
patent: 4940152 (1990-07-01), Lin
patent: 5779071 (1998-07-01), Brown et al.
patent: 6202943 (2001-03-01), Evans et al.
patent: 7798347 (2010-09-01), Rees
patent: 7828165 (2010-11-01), Brown et al.

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