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The ornamental design for a countdown timer, substantially as shown. |
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FIG. 1 is a front elevational view of a countdown timer showing my new design;
FIG. 2 is a left side elevational view thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a top plan view thereof; and
FIG. 6 is a bottom plan view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jan 18 1983 | SELWYN, STEPHEN | KETCHAM, WILLIAM P | ASSIGNMENT OF ASSIGNORS INTEREST | 004087 | /0821 |
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