Differentiated rigidity swimming fin with hydrodynamically designed rearward shoe strap connection
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United States of America Patent
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Aug 8, 2006
Grant Date -
Mar 18, 2004
app pub date -
Sep 12, 2003
filing date -
Sep 13, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A swimming flipper comprising a blade (1) made of relatively rigid material, a shoe (2) made of relatively yielding material and at least a pair of lateral ribs (3) extending along the edges of the blade. On the blade there are provided at least two longitudinal slots (9) arranged symmetrically with respect to the longitudinal axis of the flipper and two openings (11) extending diagonally from the shoe towards the lateral edges of the blade. The slots and the openings are filled with a relatively yielding material in the form of flattened ribs (12, 13).
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