Baths – closets – sinks – and spittoons – Dry closets – With heating meas
Patent
1975-10-06
1976-12-21
Artis, Henry K.
Baths, closets, sinks, and spittoons
Dry closets
With heating meas
272 1B, 272 71, E04H 316, E04H 318, F16L 2102
Patent
active
039979245
ABSTRACT:
This invention concerns itself with a swimming pool bottom or floor and an auxiliary floor suprajacent to at least a portion of said bottom or floor wherein the auxiliary floor comprises rigid polymeric foam having a density less than that of water, said swimming pool being further characterized by means to prevent the peripheral portions of said auxiliary floor from undergoing lateral, upward or downward displacement during use, thereby permitting fracture of other portions of said auxiliary floor to occur during downward displacement consequent on impact from the body of a descending diver.
REFERENCES:
patent: 2042152 (1936-05-01), Howland
patent: 3000017 (1961-09-01), Skovira
patent: 3091777 (1963-06-01), Pearlson
patent: 3123845 (1964-03-01), Girden
patent: 3183530 (1965-05-01), Girden
patent: 3429085 (1969-02-01), Stillman, Jr.
patent: 3644941 (1972-02-01), Kuss
patent: 3660957 (1972-05-01), Schankler
patent: 3780385 (1973-12-01), Dunn
patent: 3942198 (1976-03-01), Jewett
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