Patent
   D307875
Priority
Nov 16 1987
Filed
Nov 16 1987
Issued
May 15 1990
Expiry
May 15 2004
Assg.orig
Entity
unknown
15
3
n/a
The ornamental design for a perimeter intrusion detector transmitter, as shown.

FIG. 1 is a front perspective view of a perimeter intrusion detector showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof, with the right side elevational view being a mirror image thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a top plan view thereof.

Mallory, John

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Patent Priority Assignee Title
4242669, May 04 1979 B. A. Security Systems Limited Passive infrared intruder detection system
4510488, Feb 10 1982 Cerberus AG Passive infrared intrusion detector
D261740, Nov 05 1979 DETECTION SYSTEMS, INC , A CORP OF NY Intruder detector housing
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Oct 26 1987MALLORY, JOHNDICON SYSTEMS LIMITED, 719 CLAYSON ROAD, TORONTO, ONTARIO M9M 2H4, CANADAASSIGNMENT OF ASSIGNORS INTEREST 0048130187 pdf
Nov 16 1987Dicon Systems Limited(assignment on the face of the patent)
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