E - Fixed Constructions – 04 – D
Patent
E - Fixed Constructions
04
D
E04D 13/064 (2006.01) E04D 13/08 (2006.01) E04D 13/10 (2006.01)
Patent
CA 2187241
A freeze-resistant downspout system includes a metal downspout having an interior portion within a building and a contiguous exterior portion outside thebuilding. The exterior portion is shielded from the weather by a thermally insulated shroud so that heat conducted along the downspout from within the building is sufficient to keep the exterior portion from freezing.
Agee Ralph K.
Jackson Michael E.
Butler Manufacturing Company
Sim & Mcburney
LandOfFree
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