Patent
   D279769
Priority
Aug 19 1983
Filed
Aug 19 1983
Issued
Jul 23 1985
Expiry
Jul 23 1999
Assg.orig
Entity
unknown
18
3
n/a
The ornamental design for a smoke detector, as shown and described.

FIG. 1 is a left side elevational view of a smoke detector, showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a side elevational view taken 90 degrees from FIG. 1;

FIG. 5 is a reduced bottom plan view thereof.

Thornton, Jr., Hugh P., Powers, Robert B.

Patent Priority Assignee Title
D297219, Aug 06 1986 DICON SAFETY PRODUCTS INTERNATIONAL INC ; DICON ELECTRONICS LIMITED; DICON INTERNATIONAL LIMITED AND DICON SYSTEMS INC Smoke detector cover with light
D297222, Dec 20 1985 DICON SAFETY PRODUCTS INTERNATIONAL INC ; DICON ELECTRONICS LIMITED; DICON INTERNATIONAL LIMITED AND DICON SYSTEMS INC Smoke and fire alarm
D312591, Mar 22 1988 Delta Elettronica S.p.A. Siren for antitheft warning apparatus for vehicles
D325375, Jun 18 1990 Rainfall responsive switch
D342213, Jun 18 1991 Cerberus AG Fire detector
D346981, Jan 29 1992 FYRNETICS, INC Smoke detector
D349652, Dec 13 1991 Combination clock and smoke detector
D355386, Mar 24 1993 Cerberus AG Fire detector
D360156, Aug 17 1993 FIRST NATIONAL BANK OF CHICAGO, THE Combined strobe light and smoke detector for the hearing impaired
D364108, Jan 30 1995 Universal Security Instruments, Inc. Smoke detector cover
D368041, Nov 26 1993 Calectro AB Smoke detector
D402208, Nov 04 1997 Combined clock and smoke detector
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
D728507, Apr 23 2013 EPOS GROUP A S Duplex speakerphone
D911198, Jul 27 2020 X-SENSE LNNOVATIONS CO ,LTD Smoke detector
Patent Priority Assignee Title
4099178, Apr 07 1977 Emdeko International, Inc. Test means for light responsive smoke detector
D246635, Oct 08 1976 National Presto Industries, Inc. Wall-mounted smoke detector
D249481, Jul 05 1977 FIRST NATIONAL BANK OF CHICAGO, THE Housing for fire and smoke detector
/////////
Executed onAssignorAssigneeConveyanceFrameReelDoc
Jul 25 1983POWERS, ROBERT B AMERICAN DISTRICT TELEGRAPH COMPANY 15 EXCHANGE PLACE, JERSEY CITY, NJ A DE CORPASSIGNMENT OF ASSIGNORS INTEREST 0041670445 pdf
Jul 27 1983THORNTON, HUGH P JR AMERICAN DISTRICT TELEGRAPH COMPANY 15 EXCHANGE PLACE, JERSEY CITY, NJ A DE CORPASSIGNMENT OF ASSIGNORS INTEREST 0041670445 pdf
Aug 19 1983American District Telegraph Company(assignment on the face of the patent)
May 13 1986American District Telegraph CompanyADT, INC CHANGE OF NAME SEE DOCUMENT FOR DETAILS 0050770275 pdf
Feb 29 1988ADT, INC ADT SECURITY SYSTEMS, INC CHANGE OF NAME SEE DOCUMENT FOR DETAILS 0050910837 pdf
Dec 31 1988ADT DIVERSIFIED SERVICES, INC ADT SECURITY SYSTEMS, INC ASSIGNMENT OF ASSIGNORS INTEREST 0052080081 pdf
Jan 03 1989ADT SECURITY SYSTEMS, INC ADT DIVERSIFIED SERVICES, INC ,CHANGE OF NAME SEE DOCUMENT FOR DETAILS JANUARY 6, 1989 NEW JERSEY0050910824 pdf
May 31 1991ADT SECURITY SYSTEMS, INC SENTROL ACQUISITION CORPORATION A DELAWARE CORPORATIONASSIGNMENT OF ASSIGNORS INTEREST 0059160045 pdf
Jan 03 1992SENTROL ACQUISITION CORP A CORP OF DELAWARE MERGED INTO SENTROL, INC A CORP OF OREGONMERGER SEE DOCUMENT FOR DETAILS EFFECTIVE ON 12 31 1991OR0060710296 pdf
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule