Supports – Pipe or cable – Extending through plate
Patent
1976-03-25
1977-08-02
Foss, J. Franklin
Supports
Pipe or cable
Extending through plate
24263A, 248211, 2482264, F16M 1104, H01H 316
Patent
active
040391299
ABSTRACT:
Presented is a bracket assembly on which may be mounted a fan assembly for ejecting smoke or fumes from a building or enclosure.
REFERENCES:
patent: 1707894 (1929-04-01), Bergesen
patent: 2543900 (1951-03-01), Dudley
patent: 2585592 (1952-02-01), Sears
patent: 3653624 (1972-04-01), Abel
Berkeland James E.
Donnelly Ralph H.
Foss J. Franklin
Leavitt John J.
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