One-piece lock-back lid
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United States of America Patent
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Oct 1, 2013
Grant Date -
Feb 14, 2013
app pub date -
Aug 12, 2011
filing date -
Aug 12, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A drink-through plastic lid is injection molded in one piece to define a rim structure which snaps onto the rim of a cup and an asymmetric crown having a drink-through opening formed at the high point of an outer deck. An integral hinged flap with a C-shaped seal lip on the inside surface can lock by means of said lip into the drink-through opening when in one condition. The flexible outer edges of the flap latch into a lock-back recess which interrupts an intermediate inner deck formed between the outer crown deck and the floor of a well in the interior area of the lid.
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