Buoys – rafts – and aquatic devices – Water rescue or life protecting apparatus – Personal flotation device
Patent
1992-09-08
1994-03-22
Mitchell, David M.
Buoys, rafts, and aquatic devices
Water rescue or life protecting apparatus
Personal flotation device
441 81, B63C 908
Patent
active
052958841
ABSTRACT:
The invention relates to a float assembly of the kind for use in childrens' swimming pools, the assembly having a core with a plurality of buoyant rings threaded thereon, the buoyant rings being made of plastics foam and being of two different outside diameters.
REFERENCES:
patent: 2724843 (1955-11-01), Kimball
patent: 3498246 (1970-03-01), Kiefer
patent: 3656749 (1972-04-01), Reyes
patent: 3727252 (1973-04-01), Bauermeister
patent: 3755829 (1973-09-01), Walklet
patent: 3820179 (1974-06-01), Maertin
patent: 4538998 (1985-09-01), Holzel
patent: 4861300 (1989-08-01), Casagrande et al.
patent: 4936804 (1990-06-01), Dowdeswell
Avila Stephen P.
Mitchell David M.
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