Patent
   D275936
Priority
Jun 17 1981
Filed
Jun 17 1981
Issued
Oct 16 1984
Expiry
Oct 16 1998
Assg.orig
Entity
unknown
5
3
n/a
The ornamental design for a portable smoke detector, substantially as shown and described.

FIG. 1 is a perspective view of the portable smoke detector showing my new design;

FIG. 2 is a top plan view thereof on an enlarged scale;

FIG. 3 is a side elevational view thereof on an enlarged scale;

FIG. 4 is an end elevational view thereof on an enlarged scale, as seen from the left side of FIG. 3;

FIG. 5 is an end elevational view thereof on an enlarged scale, as seen from the right of FIG. 3;

FIG. 6 is an elevational view of the side opposite that shown in FIG. 3 on an enlarged scale;

FIG. 7 is a bottom plan view thereof on an enlarged scale;

FIG. 8 is a perspective view thereof with the bracket swung into a supporting position.

The door is shown in broken lines in FIG. 8 for illustrative purposes only.

Coyer, William F.

Patent Priority Assignee Title
6154130, Dec 09 1997 Portable room security system
8451132, May 27 2010 Portable heat and smoke detection system
D653566, Oct 20 2010 Universal Security Instruments, Inc. Plug-in hazardous condition detector
D957528, Sep 11 2020 SHENZHEN QIAOHUA INDUSTRIES LIMITED Smoke bubble machine
D984545, Dec 22 2022 Bubble machine
Patent Priority Assignee Title
3878539,
4151520, Jul 25 1977 Portable self-contained alarm with remote triggering capability
D253753, Jan 06 1978 General Time Corporation Housing for smoke detector or similar article
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