Buoys – rafts – and aquatic devices – Swimming aid to increase stroke efficiency
Reexamination Certificate
2007-11-06
2007-11-06
Olson, Lars A. (Department: 3617)
Buoys, rafts, and aquatic devices
Swimming aid to increase stroke efficiency
C434S254000, C482S055000, C482S056000
Reexamination Certificate
active
11605638
ABSTRACT:
A forward and rearward support assembly each have a vertical fixed post with upper and intermediate apertures and a pair of vertical reciprocable posts with upper and lower and intermediate apertures. Each support assembly has an upper and a lower oscillating plate. Each plate has an upper aperture. An upper pivot pin extends there through and through the apertures of the fixed posts. Each plate has a pair of laterally aligned lower apertures. Each plate has lower pivot pins. The lower pivot pins extend there through and through intermediate and lower apertures of the reciprocable posts. A forward and a rearward cradle and pivot pins couple the cradles and upper apertures of the reciprocable posts.
REFERENCES:
patent: 3074716 (1963-01-01), Mitchel et al.
patent: 4674740 (1987-06-01), Iams et al.
patent: 4830363 (1989-05-01), Kennedy
patent: 5158513 (1992-10-01), Reeves
patent: 5540591 (1996-07-01), Doane
patent: 6142912 (2000-11-01), Profaci
patent: 6352493 (2002-03-01), Davis
patent: 6764431 (2004-07-01), Yoss
patent: 6790164 (2004-09-01), Davis
patent: 7044818 (2006-05-01), Askins
Davis James H.
Dowd Paul
Dutkiewicz Edward P.
Olson Lars A.
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