Patent ID: 9433825
Filing Date: 2016-09-06
CPC Classification: A63B

Claim Text:
1. A swimming aid device, comprising: a first fin made of resilient material; a second fin made of resilient material; a center locking means made of harder material; where each fin has a longitudinal groove on a perimeter edge, said longitudinal groove forming a keyed slot; where each of said fins has an internal space capable of enclosing a portion of a swimmer's foot; where each of said fins has an opening leading to said internal space capable of allowing a swimmer to insert a foot through said opening; and a means for coupling made of harder material where the center locking means is removably used to attach the fins to each other, by sliding an elongated, rectangular key with protruding keyed edges that mate with the correspondingly keyed slot of the longitudinal grooves in the first fin and the second fin.