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US 4,300,255 AGranted
Foot flipper device
OwnerGeorges Beuchatinventor
Life of this patent
Estimating the term…
Abstract
A foot flipper device for use on the leg of a swimmer. The foot flipper device comprises a shoe having front, heel and median portions; and a fin of variable inclination. The fin has a longitudinal cross-section of generally double curvature.
Claims9
A flexible foot flipper device for use on the leg of a swimmer comprising:
- (a) a shoe having front, heel, and median portions;
- (b) a fin of variable inclination relative to said shoe, said shoe being integral with said fin and divergent therefrom at a point beneath said median portion, said fin having a longitudinal cross-section of generally double curvature, and being freely pivotable beneath said median portion of said shoe.
Dependencies are inferred from the claim text.