Patent
   D308835
Priority
Aug 10 1987
Filed
Aug 10 1987
Issued
Jun 26 1990
Expiry
Jun 26 2004
Assg.orig
Entity
unknown
22
7
n/a
The ornamental design for a heat detector, as shown and described.

FIG. 1 is an elevational view of a heat detector showing my new design:

FIG. 2 is an elevational view thereof, 90° removed from FIG. 1;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a fragmentary view in partial section taken along line 5--5 of FIG. 1.

The conventional wire grill, partially shown in FIGS. 1, 2 and 5, is understood to cover the entire areas indicated.

Fenne, Kenneth R.

Patent Priority Assignee Title
D340201, Sep 09 1992 Pittway Corporation Smoke detector
D340202, Sep 09 1992 Pittway Corporation Smoke detector
D340416, Sep 09 1992 Pittway Corporation Detector
D340659, Sep 09 1992 Pittway Corporation Smoke detector
D350300, Mar 14 1994 Combined gas and carbon monoxide sensor alarm
D355862, May 25 1993 Pittway Corporation Housing for a smoke detector
D356050, May 25 1993 Pittway Corporation Housing for a smoke detector
D360372, May 25 1993 Pittway Corporation Housing for a smoke detector
D360374, May 25 1993 Pittway Corporation Housing for a smoke detector
D373093, Jul 20 1995 FIRST NATIONAL BANK OF CHICAGO, THE Detector housing
D382825, Aug 06 1996 Pittway Corporation Detector housing
D446741, Aug 28 2000 Pittway Corporation Detector
D505632, Aug 08 2003 Honeywell International, Inc Housing for a detector
D716170, Aug 27 2012 CAVIUS APS Heat detector
D745821, Mar 21 2012 BLUCHER METAL A/S Keyhole cover
D757585, Sep 05 2013 CAVIUS APS Smoke alarm
D758230, Sep 05 2013 CAVIUS APS Smoke alarm
D769756, Jan 30 2014 CAVIUS APS Heat detector
D879635, Sep 18 2017 CAVIUS APS Alarm
D911861, Feb 12 2019 Carrier Corporation Guard for smoke detector
D948365, Nov 22 2019 First Response Locator Systems of America, LLC First response locator system
D965459, Jan 14 2020 AXIS AB Siren
Patent Priority Assignee Title
204916,
206139,
215039,
240120,
D269331, Oct 08 1981 D DATA INC Housing for a fire and smoke detector
D271287, Apr 27 1981 FIRST NATIONAL BANK OF CHICAGO, THE Smoke detector
D276417, Sep 16 1982 FIRST NATIONAL BANK OF CHICAGO, THE Smoke detector
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jul 30 1987FENNE, KENNETH R PITTWAY CORPORATION, A CORP OF PA ASSIGNMENT OF ASSIGNORS INTEREST 0047780798 pdf
Aug 10 1987Pittway Corporation(assignment on the face of the patent)
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