G - Physics – 05 – D
Patent
G - Physics
05
D
137/138
G05D 7/00 (2006.01) E03F 5/10 (2006.01)
Patent
CA 1198964
ABSTRACT OF THE DISCLOSURE A flow restrictor for application to outlet pipes of catch basins in a storm sewer system comprises a restrictor plate in vertical sliding engagement with a frame secured around the pipe opening so that the plate may be installed and removed from above and the restrictor device need not have any direct engagement with the pipe itself.
474959
Ingleton Ronald A.
Walsh Thomas E.
Mccarthy Tetrault Llp
Scepter Manufacturing Company Limited
LandOfFree
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