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Patent
D253400
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Priority
Dec 29 1977
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Filed
Dec 29 1977
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Issued
Nov 13 1979
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Expiry
Nov 13 1993
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Assg.orig
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Entity
unknown
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8
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2
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n/a
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The ornamental design for a smoke detector, as shown and described.
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FIG. 1 is a perspective view of the design for a smoke detector;
FIG. 2 is a top plan view of the design shown in FIG. 1;
FIG. 3 is a bottom plan view of the design shown in FIG. 1;
FIG. 4 is a front elevational view of the design shown in FIG. 1, the rear
being identical; and
FIG. 5 is a side elevational view of the design shown in FIG. 1.
Vander Wilt, William W.
Patent |
Priority |
Assignee |
Title |
D297222, |
Dec 20 1985 |
DICON SAFETY PRODUCTS INTERNATIONAL INC ; DICON ELECTRONICS LIMITED; DICON INTERNATIONAL LIMITED AND DICON SYSTEMS INC |
Smoke and fire alarm |
D327052, |
Sep 15 1989 |
Amway Corporation |
Hand-held transmitter for remotely controlling a security alarm system |
D330369, |
Sep 15 1989 |
Amway Corporation |
Hand-held transmitter for remotely controlling a security alarm system |
D553529, |
Jan 24 2005 |
Calectro AB |
Detector for duct channel |
D560532, |
Jan 24 2005 |
Calectro AB |
Detector for duct channel |
D627670, |
Dec 01 2009 |
Universal Security Instruments Inc.; Universal Security Instruments, Inc |
Hazardous condition detector |
D627671, |
Dec 01 2009 |
Universal Security Instruments, Inc.; Universal Security Instruments, Inc |
DC hazardous condition detector |
D940672, |
Oct 30 2020 |
TELEFONAKTIEBOLAGET LM ERICSSON PUBL |
Media hub device |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a