Swimming flipper
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Oct 19, 2010
Issued Date -
N/A
app pub date -
Sep 25, 2008
filing date -
Sep 28, 2007
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Swimming flipper comprising a shoe part from which two ribs extend laterally, and a fin part, characterised in that said fin part is connected at one end to said shoe part, while its other end is constrained to said ribs in the vicinity of their ends, the sides of said fin part being at least partly not constrained in any way to the said side ribs, all of which so that during the active and passive phases of the flipper movement the free part and the constrained part of the said fin bend in the opposite directions forming substantially an S shape.
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