E - Fixed Constructions – 04 – D
Patent
E - Fixed Constructions
04
D
E04D 13/04 (2006.01)
Patent
CA 2696453
The invention provides a high-visibility roof-drain cover comprising a roof- drain cover, a marked, reversible, elongated flag, and coupler means for mounting the flag to the roof-drain cover, wherein the flag extends upwardly from the roof-drain cover a sufficient distance that a top portion of the flag will remain visible above an accumulation of wind-blown debris and snow. The invention provides a first group of high- visibility roof-drain cover embodiments, each of which includes a novel roof-drain cover. The invention provides a second group of high-visibility roof-drain cover embodiments for retrofit, each of which includes a prior art roof-drain cover. The invention provides a third group of sub-assemblies for retrofit.
May Linda
May Scott Arthur
Gowling Lafleur Henderson Llp
May Linda
May Scott Arthur
LandOfFree
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