Baths – closets – sinks – and spittoons – Pool type – Adjustable bottom
Patent
1979-01-15
1981-06-09
Artis, Henry K.
Baths, closets, sinks, and spittoons
Pool type
Adjustable bottom
4494, 4506, 4509, 4498, E04H 316, E04H 318
Patent
active
042715423
ABSTRACT:
A vertically adjustable pool platform, for use in a swimming pool, means to vertically raise and lower the platform, and means connecting the platform to the means to vertically raise and lower the platform, the pool platform being buoyant to float on the surface of the water, and be constantly urged to float to the surface of the water, when submerged under water at a predetermined level, and the platform permits vertical passage of water therethrough.
REFERENCES:
patent: 2884156 (1959-04-01), Graham et al.
patent: 2970320 (1961-02-01), Karp
patent: 3086219 (1963-04-01), Stafford
patent: 3091777 (1963-06-01), Pearlson
patent: 3092844 (1963-06-01), Brunson
patent: 3309716 (1967-03-01), Merritt
patent: 3413661 (1968-12-01), Ross
patent: 3670343 (1972-06-01), Gansloser
patent: 3955797 (1976-05-01), Richards
patent: 4129905 (1978-12-01), Niamirow
Fralick Richard
Wood Charles
Artis Henry K.
DAF Indal Ltd.
Hughes Ivor M.
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