Patent
   D277836
Priority
Jan 12 1983
Filed
Jan 12 1983
Issued
Mar 05 1985
Expiry
Mar 05 1999
Assg.orig
Entity
unknown
3
2
n/a
The ornamental design for a smoke alarm, as shown and described.

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.

Hattori, Kenneth M.

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,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 30 1982HATTORI, KENNETH M EMHART INDUSTRIES, INC ASSIGNMENT OF ASSIGNORS INTEREST 0043410585 pdf
Jan 12 1983Emhart Industries, Inc.(assignment on the face of the patent)
Mar 27 1986EMHART INDUSTRIES, INC NOTIFIER COMPANY, A CORP OF CONNECTICUTASSIGNMENT OF ASSIGNORS INTEREST 0045300645 pdf
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