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The ornamental design for conical coil spring, as shown and described.
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FIG. 1 is a front perspective view of a conical coil spring showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is an inverted plan view thereof;
FIG. 4 is a front view thereof;
FIG. 5 is a rear view thereof;
FIG. 6 is a left side elevational view thereof; and,
FIG. 7 is a right side view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Aug 22 2002 | GIBBENS, GREGORY RICHARD | George Gibbens PTY Limited | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 013264 | /0753 | |
| Sep 05 2002 | George Gibbens Pty. Ltd. | (assignment on the face of the patent) | / |
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