Patent
   D428658
Priority
Oct 06 1999
Filed
Oct 06 1999
Issued
Jul 25 2000
Expiry
Jul 25 2014
Assg.orig
Entity
unknown
7
8
n/a
The ornamental design for a manhole cover, substantially as shown and described.

FIG. 1 is a perspective view of the manhole cover;

FIG. 2 is a top plan view of the manhole cover; the bottom plan view is identical except that its handle assembly is diametrically disposed in relation to the assembly shown in FIG. 2;

FIG. 3 is a side elevational view of the manhole cover;

FIG. 4 is a cross sectional view taken along line 4--4 of FIG. 1; and,

FIG. 5 is an enlarged fragmentary top plan view showing in detail a portion of the surface ornamentation.

The article is intended for use as a reversible manhole cover of identical appearance from both its top and bottom sides.

Lattner, Michael D., Koehler, Adam J., Glab, Charles D.

Patent Priority Assignee Title
7484909, Aug 25 2006 GMI Composites, Inc.; GMI COMPOSITES INC Reinforced composite manhole cover assembly
8454263, Jul 06 2011 THOMAS LORENZ INDUSTRIETECHNIK GMBH CO KG Production-optimized manhole cover
D515215, May 25 2004 Optical curing apparatus
D615665, May 17 2006 Saint-Gobain Pam Gully cover
D660455, Sep 22 2011 PELICAN WORLDWIDE, INC Manhole cover
D666306, Sep 22 2011 PELICAN WORLDWIDE, INC Manhole cover
D858797, Oct 17 2017 CORE & MAIN LP Cover
Patent Priority Assignee Title
166574,
3289556,
3618275,
4662777, Nov 26 1983 Composite article
5123776, Jan 31 1991 Advanced Drainage Systems, Inc. Plastic fillable manhole cover with penetrating handles
5378078, Oct 15 1991 WESTERN FIBERGLASS, INC Manhole cover
5470172, Jun 06 1994 Manhole adjusting extension ring section
5529431, Feb 24 1995 Alfred T., Francis; Thomas V., Walsh Temporary manhole cover and method
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Oct 01 1999GLAB, CHARLES D MORRISON BROS COMPANYASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0104400526 pdf
Oct 01 1999LATTNER, MICHAEL D MORRISON BROS COMPANYASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0104400526 pdf
Oct 01 1999KOEHLER, ADAM J MORRISON BROS COMPANYASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0104400526 pdf
Oct 06 1999Morrison Bros. Company(assignment on the face of the patent)
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