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The ornamental design for a smoke alarm, as shown and described. |
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FIG. 1 is a side elevational view of a smoke alarm showing my new design;
FIG. 2 is a front elevational view thereof.
The rear of the smoke alarm is plain and unornamented.
| Patent | Priority | Assignee | Title |
| D293089, | Feb 01 1985 | DETECTION SYSTEMS, INC | Smoke detector housing |
| D319798, | Jun 06 1988 | Nittan Company Limited | Fire detector |
| D879635, | Sep 18 2017 | CAVIUS APS | Alarm |
| Patent | Priority | Assignee | Title |
| D269161, | Mar 25 1981 | Pittway Corporation | Smoke detector |
| FR1490273, |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Dec 30 1982 | HATTORI, KENNETH M | EMHART INDUSTRIES, INC | ASSIGNMENT OF ASSIGNORS INTEREST | 004341 | /0585 | |
| Jan 12 1983 | Emhart Industries, Inc. | (assignment on the face of the patent) | / | |||
| Mar 27 1986 | EMHART INDUSTRIES, INC | NOTIFIER COMPANY, A CORP OF CONNECTICUT | ASSIGNMENT OF ASSIGNORS INTEREST | 004530 | /0645 |
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