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The new and ornamental design for a heat detector, as shown and described. |
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FIG. 1 is a perspective view of a heat detector illustrating one embodiment of our new design;
FIG. 2 is a top view of the heat detector of FIG. 1;
FIG. 3 is a side view of the heat detector of FIG. 1, the other side view being substantially a mirror image thereof;
FIG. 4 is a perspective view of a heat detector embodying an alternative embodiment of our new design;
FIG. 5 is a top view of the heat detector of FIG. 4; and,
FIG. 6 is a side view of the heat detector of FIG. 4, the other side view being substantially a mirror image thereof.
Front and rear elevations have not been illlustrated as the heat detector is circular such that all side views are substantially the same. The bottoms of the detectors have not been illustrated as they are non-ornamental and not part of the design.
Stanley, Lawrence G., Nelson, Wayne, Winterble, Charles
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Dec 21 1995 | NELSON, WAYNE | Simplex Time Recorder Company | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 007809 | /0470 | |
| Dec 21 1995 | STANLEY, LAWRENCE G | Simplex Time Recorder Company | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 007809 | /0470 | |
| Dec 21 1995 | WINTERBLE, CHARLES | Simplex Time Recorder Company | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 007809 | /0470 | |
| Dec 22 1995 | Simplex Time Recorder Company | (assignment on the face of the patent) | / | |||
| Jan 08 2001 | SIMPLEX TIME RECORDER CO | ADT Services AG | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 012376 | /0373 |
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