Patent
   D319883
Priority
Oct 12 1988
Filed
Oct 12 1988
Issued
Sep 10 1991
Expiry
Sep 10 2005
Assg.orig
Entity
unknown
3
5
n/a
The ornamental design for a ring for a manhole cover, as shown and described.

FIG. 1 is a perspective view of a ring for a manhole cover showing our new design.

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof, the rear being a mirror image thereof; and

FIG. 5 is a left side elevational view thereof, the right side being a mirror image thereof.

Pettesch, Martin C., Andreasen, Robert O.

Patent Priority Assignee Title
D351669, Sep 25 1992 3-D Composites Limited Utility access cover assembly
D753800, Apr 08 2015 Gas main gate box safety riser
D909254, Dec 04 2018 Bonnet for a tanker
Patent Priority Assignee Title
3858998,
4015373, Feb 11 1975 Usines et Acieries de Sambre et Meuse Manhole assembly with removable cover, especially for a carriageway
4121390, May 27 1977 Moduloc Concrete Products (London) Ltd. Pre-cast units for sewer construction
4203686, Jul 17 1978 Manhole construction
D247254, Feb 09 1976 Moduloc Concrete Products (London) Ltd. Pre-cast concrete unit for manholes
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 29 1988PETTESCH, MARTIN C UNIVERSAL VALVE COMPANY, INC ASSIGNMENT OF ASSIGNORS INTEREST 0050000339 pdf
Sep 29 1988ANDREASEN, ROBERT O UNIVERSAL VALVE COMPANY, INC ASSIGNMENT OF ASSIGNORS INTEREST 0050000339 pdf
Oct 12 1988Universal Valve Company, Inc.(assignment on the face of the patent)
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