Pipe joints or couplings – With casing – lining or protector – Insulated
Patent
1979-11-15
1982-06-15
Wayner, William E.
Pipe joints or couplings
With casing, lining or protector
Insulated
34235, 98 997, 285189, F24F 1318
Patent
active
043344615
ABSTRACT:
A portable window vent screen that includes a large hole therethrough with a ventilator adjacent its outer side bolted to an adapter on its inner side, and a flexible hose from a gas or electric dryer being detachably attachable to the adapter whenever the dryer is used, so as to move humid air from the dryer outwardly of the house.
REFERENCES:
patent: 941917 (1909-11-01), Fulton
patent: 1510265 (1924-09-01), Filkins
patent: 2348455 (1944-05-01), Daudelin
patent: 3185506 (1965-05-01), Szlashta
patent: 3285155 (1966-11-01), Maltenfort
patent: 4081915 (1978-04-01), Babcerowicz et al.
patent: 4151789 (1979-05-01), Grobard
Ferguson Arthur
Spector George
Joyce Harold
Wayner William E.
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