1971-09-19
1976-02-17
Wayner, William E.
98114, 52542, F24F 1318
Patent
active
039384292
ABSTRACT:
A roof air vent having rails mountable about an opening in a roof for forming a support bracket for one or more perforated panels. A pair of the rails are parallel to one another for forming tracks in which the panels are inserted.
REFERENCES:
patent: 1540788 (1925-06-01), McClure
patent: 1706924 (1929-03-01), Kane
patent: 2221001 (1940-11-01), Lucius
patent: 3303771 (1967-02-01), Nesher et al.
Jacobson Harvey B.
O#Brien Clarence A.
Plastic Components, Inc.
Wayner William E.
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