Fire escape – ladder – or scaffold – Wall- or floor-attached – Ladder
Patent
1990-11-05
1991-11-19
Chotkowski, Karen J.
Fire escape, ladder, or scaffold
Wall- or floor-attached
Ladder
182 46, 182106, E06C 900
Patent
active
050658409
ABSTRACT:
A swimming pool safety ladder is described in which the individual steps employed are enclosed along both their side edges and along their back edge so as to prevent the accidental catching of one's hand, arm, foot, or leg between a step and the pool wall.
REFERENCES:
patent: D157436 (1950-02-01), Rogers
patent: 2551345 (1951-05-01), Scott
patent: 2974746 (1961-03-01), Baker
patent: 3311195 (1967-03-01), Singer
patent: 3420558 (1969-01-01), Whitten, Jr.
patent: 4023647 (1977-05-01), Confer
patent: 4418792 (1983-12-01), Cerone
patent: 4579197 (1986-04-01), Spurling
Brodsky Charles I.
Chotkowski Karen J.
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