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Class Information
Number: D25/36
Name: Building units and construction elements > Prefabricated unit > Underground service vault (4)
Description:










Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
D687970 Integrated frame and curb box Aug. 13, 2013
D687971 Integrated frame and curb box Aug. 13, 2013
D686751 Utility trench side panel portion Jul. 23, 2013
D682445 Frame and curb box May. 14, 2013
D682444 Frame and curb box May. 14, 2013
D673690 Frame and curb box Jan. 1, 2013
D667962 Frame and curb box Sep. 25, 2012
D666306 Manhole cover Aug. 28, 2012
D660455 Manhole cover May. 22, 2012
D615665 Gully cover May. 11, 2010
D610701 Subterranean emergency shelter Feb. 23, 2010
D583067 Manhole assembly gate valve sealing structure Dec. 16, 2008
D545978 Municipal casting portion Jul. 3, 2007
D539918 Manhole guard Apr. 3, 2007
D502548 Window well rim Mar. 1, 2005
D502549 Window well rim Mar. 1, 2005
D498852 Window well Nov. 23, 2004
D486582 Window well Feb. 10, 2004
D484614 Nestable modular underground enclosure Dec. 30, 2003
D478672 Nestable modular underground enclosure Aug. 19, 2003
D466220 Storm shelter Nov. 26, 2002
D453225 Domed manhole protector Jan. 29, 2002
D444572 Tub box Jul. 3, 2001
D428999 Manhole cover Aug. 1, 2000
D428658 Manhole cover Jul. 25, 2000
D382976 Manhole bottom plate with anchors Aug. 26, 1997
D376654 Manhole cover pick hole plug Dec. 17, 1996
5378078 Manhole cover Jan. 3, 1995
D351669 Utility access cover assembly Oct. 18, 1994
D344806 Basement door Mar. 1, 1994
D337166 Storm cellar Jul. 6, 1993
D320281 Underground service vault Sep. 24, 1991
D319883 Ring for a manhole cover Sep. 10, 1991
4955166 Tornado underground shelter Sep. 11, 1990
D309024 Observation monitoring well manhole cover Jul. 3, 1990
D306482 Manhole cover Mar. 6, 1990
D291833 Manhole cover Sep. 8, 1987
D286431 Vehicle shelter Oct. 28, 1986
4536103 Adjustable manhole frame and method of construction and installation Aug. 20, 1985
D270472 Utility shelter Sep. 6, 1983
D261432 Emergency shelter for underground installation Oct. 20, 1981
D254509 Housing for a pump lift station Mar. 18, 1980
D252218 Water meter box or the like Jun. 26, 1979
4121390 Pre-cast units for sewer construction Oct. 24, 1978
D247254 Pre-cast concrete unit for manholes Feb. 14, 1978
D246384 Pre-cast concrete unit for manholes Nov. 15, 1977
D245519 Burial facility Aug. 23, 1977
D245104 Underground utility housing Jul. 19, 1977
D245103 Underground utility housing Jul. 19, 1977
D245102 Underground utility housing Jul. 19, 1977

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