Drain guard
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United States of America Patent
Stats
-
Sep 24, 1991
Grant Date -
N/A
app pub date -
Dec 20, 1989
filing date -
Dec 20, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention includes a drain guard and drain protection system. The drain guard includes a cross-sectionally L-shaped frame having a base and an upstanding sidewall extending therefrom. The upstanding sidewall has a plurality of spaced openings. The base may also have a plurality of spaced openings in communication with the plurality of spaced upstanding sidewall openings positioned relative thereto. The frame is of substantially greater perimeter than the perimeter of the enclosed drain opening. The drain protection system includes a surface layer having ballast spread therealong, a drain opening extending through the surface layer, a portion of the surface layer cleared of ballast, the portion outwardly extending from the drain opening to a drain guard of the above-described type.
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