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Patent
   D291833
Priority
May 07 1984
Filed
May 07 1984
Issued
Sep 08 1987
Expiry
Sep 08 2001
Inventors
Shore, Joh…
Assg.orig
Assg.curr
Entity
unknown
Referenced by
3
References
5
Maint.:
n/a
The ornamental design for a manhole cover, as shown and described.

FIG. 1 is a top plan view of a manhole cover showing our new design;

FIG. 2 is a bottom plan view thereof; and,

FIG. 3 is a side elevational view thereof.
INVENTORS:

Shore, John E. (Bud), Smythe, Cornelius P., McKinley, Jack W.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
7484909, Aug 25 2006 GMI Composites, Inc.; GMI COMPOSITES INC Reinforced composite manhole cover assembly
D615665, May 17 2006 Saint-Gobain Pam Gully cover
ER8354,
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
2004335,
284203,
821736,
27673,
GB217,789,
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