Patent
   D423088
Priority
Apr 29 1998
Filed
Apr 29 1998
Issued
Apr 18 2000
Expiry
Apr 18 2014
Assg.orig
Entity
unknown
2
7
n/a
The ornamental design for a plastic apron endwall for highway underdrain, as shown and described.

FIG. 1 is a rear elevational view thereof;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof, the side opposite being a mirror image thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

Fish, Gary A.

Patent Priority Assignee Title
10012338, Apr 05 2001 Mitred grate and drain cover
6394700, Jul 20 2000 Midwest Plastic Products, Inc. Highway underdrain plastic apron endwall with anti-floatation wings
Patent Priority Assignee Title
1850335,
2334779,
3587239,
4454039, Jul 19 1982 Frame and cover members for constructing apertures in road surfaces
4490067, Dec 17 1981 YORK BANK AND TRUST COMPANY, THE Modular drain system
5360284, Dec 18 1992 Precast concrete drain inlet
5645367, Jul 11 1995 ABT, INC , A CORP OF NORTH CAROLINA Drainage system having an embedded conduit connector
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 27 1998FISH, GARY A MIDWEST PLASTIC MATERIALS, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0091520068 pdf
Apr 29 1998Midwest Plastic Materials, Inc.(assignment on the face of the patent)
Mar 29 1999MIDWEST PLASTIC MATERIALS, INC MIDWEST PLASTIC PRODUCTS, INC CHANGE OF NAME SEE DOCUMENT FOR DETAILS 0102000318 pdf
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