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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:
| Patent Number |
Title Of Patent |
Date Issued |
| D583067 |
Manhole assembly gate valve sealing structure |
Dec. 16, 2008 |
| D545978 |
Municipal casting portion |
Jul. 3, 2007 |
| D539918 |
Manhole guard |
Apr. 3, 2007 |
| D502549 |
Window well rim |
Mar. 1, 2005 |
| D502548 |
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 |
| D245103 |
Underground utility housing |
Jul. 19, 1977 |
| D245102 |
Underground utility housing |
Jul. 19, 1977 |
| D245104 |
Underground utility housing |
Jul. 19, 1977 |
| D242924 |
Underground tornado shelter |
Jan. 4, 1977 |
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