Patent
   D256897
Priority
Mar 25 1978
Filed
Jun 28 1978
Issued
Sep 16 1980
Expiry
Sep 16 1994
Assg.orig
Entity
unknown
13
4
n/a
The ornamental design for a smoke detector, as shown.

FIG. 1 is a front, top and right side perspective view of a smoke detector showing our new design;

FIG. 2 is a rear elevational view thereof with the smoke detector inverted;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left side elevational view with the smoke detector upended;

FIG. 5 is a right side elevational view thereof in the position of FIG. 4; and

FIG. 6 is a bottom plan view thereof.

Arima, Takeo, Kaminaka, Yoshinori, Kikuchi, Kazumi

Patent Priority Assignee Title
D276029, Jan 25 1982 Gateway Scientific, Inc. Smoke detector
D319600, Nov 13 1989 HP INTELLECTUAL CORP Smoke alarm
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ER5982,
Patent Priority Assignee Title
213028,
215974,
242133,
D244362, Jun 16 1975 STATITROL INC , A CORP OF MICH Fire detector
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 28 1978HOCHIKI CORPORATION(assignment on the face of the patent)
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