1979-07-25
1981-06-30
Nunberg, Casmir A.
9310E, 5 82R, 5417, 5465, 5473, A47C 2708, A47B 8304
Patent
active
042754739
ABSTRACT:
A mattress is provided which is particularly suitable for use as a float in fresh water or salt water. The mattress is constructed of a plurality of light-weight, relatively rigid, buoyant blocks of substantially equal length. The blocks are preferably formed of cellular polystyrene. The blocks are held in side-by-side spaced relation by an outer skin formed of a material, preferably polyvinyl chloride film, which is capable of maintaining the integrity and orientation of the thus-formed mattress. The longitudinal edges of the buoyant blocks may be beveled so as to allow ease of rolling and folding of the mattress. A handle may be attached to one or both of the ends of the mattress.
REFERENCES:
patent: 681573 (1901-08-01), Nichols
patent: 2834970 (1958-05-01), Nappe
patent: 3117327 (1964-01-01), Mathhew
patent: 3293671 (1966-12-01), Griffin
patent: 3308088 (1968-04-01), D'Adesky
patent: 3775782 (1973-12-01), Rice et al.
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