Patent
   D316976
Priority
Oct 05 1988
Filed
Oct 05 1988
Issued
May 21 1991
Expiry
May 21 2005
Assg.orig
Entity
unknown
0
7
n/a
The ornamental design for a chart drive, as shown.

FIG. 1 is a bottom, front, and right side perspective view of a chart drive showing my new design, the dotted or broken line showing of a typical chart is for illustrative purpose only and forms no part of the claimed design;

FIG. 2 is a front elevational view;

FIG. 3 is a left side elevational view;

FIG. 4 is a right side elevational view;

FIG. 5 is a top plan view;

FIG. 6 is a bottom plan view; and

FIG. 7 is a rear elevational view thereof.

Comerford, Thomas R., Yeary, Hubert F.

Patent Priority Assignee Title
Patent Priority Assignee Title
2670794,
2932701,
3064261,
3205502,
3422695,
4760219, Jun 01 1987 The Scott & Fetzer Company; FRANCE SCOTT FETZER COMPANY, A CORP OF DE Incremental timer drive mechanism
4866224, Jun 01 1987 France/Scott Fetzer Co. Incremental timer drive mechanism
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 30 1988COMERFORD, THOMAS R MERCURY INSTRUMENTS, INC , A CORP OF OHASSIGNMENT OF ASSIGNORS INTEREST 0049590122 pdf
Sep 30 1988YEARY, HUBERT F MERCURY INSTRUMENTS, INC , A CORP OF OHASSIGNMENT OF ASSIGNORS INTEREST 0049590122 pdf
Oct 05 1988Mercury Instruments, Inc.(assignment on the face of the patent)
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