Fire escape – ladder – or scaffold – With insulation
Patent
1978-12-22
1980-08-05
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
With insulation
182178, 182194, 182228, E06C 110, E06C 708
Patent
active
042157668
ABSTRACT:
A construction module which when combined with other identical modules may be used to form ladders, wall or ceiling supports, etc. Each module overlaps on each side at three points with two other modules and a single connecting means may be inserted in the area of overlap to connect the modules together. The modules may be molded from plastic so that the construction assembly is water resistant and non-conducting.
REFERENCES:
patent: 58984 (1866-10-01), Ckertizza
patent: 331876 (1885-12-01), Gates
patent: 411730 (1889-09-01), Pierson
patent: 518961 (1894-05-01), Lang
patent: 700690 (1902-05-01), Hogan
patent: 1555344 (1925-09-01), Whitney
patent: 3029897 (1962-04-01), Moberg
patent: 3476211 (1969-11-01), Cormier
patent: 3757896 (1973-09-01), Lee
patent: 3881571 (1975-05-01), Moulton
patent: 4024929 (1977-05-01), Mintz
Littlefield Reginald D.
Shinn Stuart
Machado Reinaldo P.
Riches George H.
Supreme Aluminum Industries, Ltd.
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