Leak-proof cup assembly with flow control element

Details Leak-proof cup assembly with flow control element Leak-proof cup assembly with flow control element

1998-02-06

2000-04-18

Cronin, Stephen K.

Receptacles

Container attachment or adjunct

Drinking device

220717, 215 115, 215311, 222482, A47G 1922

Patent

active

060504455

ABSTRACT:
A drinking cup assembly including a cup having an open end; a cap adapted to enclose the open end, the cap including a drinking spout and an air vent and mating surfaces adjacent or incorporated into the drinking spout and the air vent; and a flow control valve including two stacks adapted to engage the mating surfaces, each of the two stacks having a concave valve face at a top portion thereof.

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Advertisement, cover page titled "The first years . . . TUMBLE MATES.RTM.. . . 2 spill-proof cups (7oz.)" 2 pages, copyright 1996, The First Years Unc. Second page discloses section entitled "2 Spill-proof cups".
Copy of Rear of a package titled Playtex.RTM. Spill-Proof Cup, Copyright 1995, Playtex Products, Inc.

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