|
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 |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Sep 30 1988 | COMERFORD, THOMAS R | MERCURY INSTRUMENTS, INC , A CORP OF OH | ASSIGNMENT OF ASSIGNORS INTEREST | 004959 | /0122 | |
Sep 30 1988 | YEARY, HUBERT F | MERCURY INSTRUMENTS, INC , A CORP OF OH | ASSIGNMENT OF ASSIGNORS INTEREST | 004959 | /0122 | |
Oct 05 1988 | Mercury Instruments, Inc. | (assignment on the face of the patent) | / |
Date | Maintenance Fee Events |
Date | Maintenance Schedule |