E - Fixed Constructions – 04 – D
Patent
E - Fixed Constructions
04
D
285/3
E04D 13/04 (2006.01)
Patent
CA 1210035
ABSTRACT OF THE DISCLOSURE An insulating sleeve designed for positioning over a sewer vent pipe associated with a dwelling includes a tubular--shaped member constructed of insulating material which is covered by a protective outer shell. Additionally, the ends of the sleeve are provided with watertight seals and a roof shield may be utilized to effectively attach the sleeve to a roof. The sleeve is designed to prevent frost and snow buildup within a sewer vent pipe in cold climates.
442641
Macrae & Co.
Stadheim James S.
LandOfFree
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