Curb opening filter

Details Curb opening filter Curb opening filter

2007-11-21

2009-06-23

Addie, Raymond W (Department: 3671)

Road structure, process, or apparatus

Drain or gutter

Street or curb inlet for surface drainage

C210S163000

Reexamination Certificate

active

07549820

ABSTRACT:
A curb opening filter apparatus is provided for removably attaching over a curbside opening for a storm drain. The filter apparatus has a frame which can be interconnected with similar frames to adjust for different size storm drain openings. The curb opening filter has a system for vertically attaching a filter apparatus over the curbside opening.

REFERENCES:
patent: 4594157 (1986-06-01), McGowan
patent: 6010622 (2000-01-01), Chinn et al.
patent: 6017166 (2000-01-01), Mossburg, Jr.
patent: 6811708 (2004-11-01), Shaw et al.
patent: 7179371 (2007-02-01), Bistline
patent: 7357861 (2008-04-01), Kelley et al.

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