Triple-flap container closure

Details Triple-flap container closure Triple-flap container closure

2011-03-29

2011-03-29

Stashick, Anthony (Department: 3781)

Receptacles

Closures

Secondary closure within parameter of primary closure

C220S819000, C220S826000, C222S556000, C222S480000

Reexamination Certificate

active

07913868

ABSTRACT:
A flapper cap container closure including a cover-lid having a first flap hinged to the cap and to second and third flaps overlying the apertures of its web, whereby depressing the first flap automatically positions the second and third flaps to depress and seal off the apertures of the closure.

REFERENCES:
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patent: 4412616 (1983-11-01), Williams
patent: 4414704 (1983-11-01), Reuter
patent: 4429800 (1984-02-01), Greenspan
patent: 4723693 (1988-02-01), DeCoster
patent: 4881668 (1989-11-01), Kitterman et al.
patent: 5064088 (1991-11-01), Steffes
patent: 5219100 (1993-06-01), Beck et al.
patent: 6170723 (2001-01-01), Howell
patent: 2004/0089678 (2004-05-01), Martin
patent: 2007/0068891 (2007-03-01), Rathbone et al.
patent: 2010/0140304 (2010-06-01), Walunis et al.

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