Patent
   D277465
Priority
Jan 10 1983
Filed
Jan 10 1983
Issued
Feb 05 1985
Expiry
Feb 05 1999
Assg.orig
Entity
unknown
26
4
n/a
The ornamental design for a portable emergency alarm transmitter, as shown.

FIG. 1 is a perspective view of a portable emergency alarm transmitter showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a side elevational view taken from the right of FIG. 1, the opposite side being a mirror image thereof;

FIG. 5 is a front elevational view, the rear elevational view being a mirror image thereof.

MacDonald, John B.

Patent Priority Assignee Title
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ER6648,
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Patent Priority Assignee Title
4004228, Apr 29 1974 Integrated Electronics, Ltd. Portable transmitter
4300129, Sep 06 1978 Silent wearable signalling device with tactile means to prevent false triggering
229085,
D269951, Apr 14 1981 TIMEX CORPORATION, WATERBURY, CT A CORP OF DE Watch
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 20 1982MAC DONALD, JOHN B LIFELINE SYTEMS, INC , A CORP OF MASS ASSIGNMENT OF ASSIGNORS INTEREST 0040820587 pdf
Jan 10 1983Lifeline Systems, Inc.(assignment on the face of the patent)
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