Patent
   D277558
Priority
Jan 24 1983
Filed
Jan 24 1983
Issued
Feb 12 1985
Expiry
Feb 12 1999
Assg.orig
Entity
unknown
6
5
n/a
The ornamental design for a smoke detecting photoelectric sensing chamber, as shown.

FIG. 1 is a rear and top perspective view of a smoke detecting photoelectric sensing chamber showing my new design;

FIG. 2 is a front and bottom perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a front elevational view thereof.

Mallory, John

Patent Priority Assignee Title
D339997, Apr 30 1992 Sensor housing for actuating outdoor lighting switches
D359008, May 13 1994 HEATHCO LLC Mounting plate for a passive infrared motion detector with light fixture
D366222, May 13 1994 HEATHCO LLC Mounting plate for passive infrared motion detector with light fixture
D374835, Oct 12 1995 JUNO MANUFACTURING, INC Emergency light
D695954, Jan 30 2012 RAB Lighting Inc Battery housing for emergency LED light fixture
D698482, Jan 09 2013 SKY RICH STAR LIMITED Base for light fixture
Patent Priority Assignee Title
3555532,
3579216,
3723747,
3976891, Feb 18 1975 Electra-Tronics, Inc. Photoelectric detector for smoke or the like
D270625, Aug 24 1981 Pittway Corporation Unipolar chamber for ionization smoke detector
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 18 1983MALLORY, JOHNIsotec Industries LimitedASSIGNMENT OF ASSIGNORS INTEREST 0040870849 pdf
Jan 24 1983Isotec Industries Limited(assignment on the face of the patent)
Aug 17 1990Isotec Industries LimitedROYAL BANK OF CANADA, THESECURITY INTEREST SEE DOCUMENT FOR DETAILS 0054850085 pdf
Nov 01 1994Disys CorporationDICON ELECTRONICS LIMITEDASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0074340280 pdf
Nov 01 1994Disys CorporationDICON INTERNATIONAL LIMITED AND DICON SYSTEMS INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0074340280 pdf
Nov 01 1994Disys CorporationDICON SAFETY PRODUCTS INTERNATIONAL INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0074340280 pdf
Oct 09 1997DICON SAFETY PRODUCTS CORPORATIONELAMEX, S A DE C V LICENSING AGREEMENT0087660105 pdf
Oct 09 1997DICON HOLDINGS INC ELAMEX DE JUAREZ, S A DE C V LICENSING AGREEMENT0087660105 pdf
Oct 09 1997DICON SAFETY PRODUCTS CORPORATIONELAMEX DE JUAREZ, S A DE C V LICENSING AGREEMENT0087660105 pdf
Oct 09 1997DICON HOLDINGS INC ELAMEX, S A DE C V LICENSING AGREEMENT0087660105 pdf
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