Patent
   D253400
Priority
Dec 29 1977
Filed
Dec 29 1977
Issued
Nov 13 1979
Expiry
Nov 13 1993
Assg.orig
Entity
unknown
8
2
n/a
The ornamental design for a smoke detector, as shown and described.

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
Patent Priority Assignee Title
235857,
241824,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 29 1977Rival Manufacturing Company(assignment on the face of the patent)
Apr 15 1986RIVAL MANUFACTURING COMPANY, A CORP OF MISSOURIRIVAL MANUFACTURING COMPANY, A CORP OF DE ASSIGNMENT OF ASSIGNORS INTEREST 0045410002 pdf
Apr 16 1986RIVAL MANUFACTURING COMPANY A CORP OF DE Wells Fargo Bank, National AssociationSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0045550440 pdf
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