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Patent
D283989
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Priority
Aug 09 1984
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Filed
Aug 09 1984
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Issued
May 27 1986
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Expiry
May 27 2000
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Assg.orig
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Entity
unknown
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10
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4
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n/a
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The ornamental design for a heat collector for smoke alarm, as shown and described.
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FIG. 1 is a top perspective view of a heat collector for a smoke alarm
showing my new design;
FIG. 2 is an enlarged top plan view thereof;
FIG. 3 is an enlarged side elevational view taken in the direction of the
arrows along line 3--3 in FIG. 2;
FIG. 4 is a bottom perspective view thereof;
FIG. 5 is an enlarged bottom plan view thereof.
Chen, Laurence
Patent |
Priority |
Assignee |
Title |
10809173, |
Dec 15 2017 |
Analog Devices, Inc. |
Smoke detector chamber boundary surfaces |
11788942, |
Dec 15 2017 |
Analog Devices, Inc |
Compact optical smoke detector system and apparatus |
11796445, |
May 15 2019 |
Analog Devices, Inc |
Optical improvements to compact smoke detectors, systems and apparatus |
D329393, |
Aug 31 1990 |
|
Smoke detector |
D625638, |
Apr 10 2009 |
EXAQTWORLD |
Theft alarm |
D626963, |
Apr 22 2008 |
HANWHA TECHWIN CO , LTD |
Integrated RFID reader |
D750314, |
Dec 22 2014 |
IDEAL Industries Lighting LLC |
Photocontrol receptacle for lighting fixture |
D907515, |
Nov 06 2018 |
Analog Devices, Inc |
Smoke detector chamber |
D918756, |
Nov 06 2018 |
Analog Devices, Inc |
Smoke detector boundary |
D920825, |
Nov 06 2018 |
Analog Devices, Inc |
Smoke detector chamber |
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