Food storage containers

Details Food storage containers Food storage containers

2006-11-07

2006-11-07

Newhouse, Nathan J. (Department: 3727)

Receptacles

Closures

With vacuum breaker or manually operable vent

C220S367100, C220S254300, C220S203050, C220S203110, C220S212000, C215S262000, C215S260000, C215S230000, C206S524800, C116S270000

Reexamination Certificate

active

07131550

ABSTRACT:
A lid for a food storage container includes a lid body with a vacuum sense opening and a vent opening extending through the lid body, a releasable cover disposed over the vent opening, and a pressure-indicating protrusion. The cover impedes air flow into the container through the vent opening until the cover is released. The pressure-indicating protrusion, which has a cavity in it, is in hydraulic communication with the container through the vacuum sense opening. The pressure-indicating protrusion contracts toward the vacuum sense opening in response to negative container pressure.

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