Electric heating – Heating devices – Combined with diverse-type art device
Patent
1977-07-21
1979-01-09
Albritton, C. L.
Electric heating
Heating devices
Combined with diverse-type art device
138 33, 219301, 219535, 219536, 338252, 338311, H05B 100
Patent
active
041340027
ABSTRACT:
Down spouts have at least one section that is a length of an extruded conduit having lengthwise portions extending from end-to-end thereof with a backing, substantially coextensive in length connected thereto and with a heating element between the backing and the seat defined by the lengthwise portions. Where the down spout includes one or more elbows, shorter sections of the same extrusion are used to form them with those that are disposed angularly having the heating element disposed in an underlying position and with the abutting ends of the sections mitered and sealed together.
REFERENCES:
patent: 2687626 (1954-08-01), Bartlowe
patent: 2716179 (1955-08-01), Cornella
patent: 3227853 (1966-01-01), Gordon
patent: 3331946 (1967-07-01), Bilbro
patent: 3582612 (1971-06-01), Siemianowski
patent: 3617699 (1971-11-01), Othmer
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