Patent
   D307245
Priority
Jul 29 1987
Filed
Jul 29 1987
Issued
Apr 17 1990
Expiry
Apr 17 2004
Assg.orig
Entity
unknown
17
5
n/a
The ornamental design for intrusion detector unit, as shown and described.

FIG. 1 is a left perspective view of an intrusion detector unit showing my new design;

FIG. 2 is a right perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a front elevational view thereof;

FIG. 7 is a right side elevational view thereof;

FIG. 8 is a rear elevational view thereof.

Biersdorff, Jack

Patent Priority Assignee Title
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ER1121,
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Patent Priority Assignee Title
234920,
D261740, Nov 05 1979 DETECTION SYSTEMS, INC , A CORP OF NY Intruder detector housing
D264318, Dec 12 1979 ADT DIVERSIFIED SERVICES, INC , Infrared intrusion detection system housing
D275657, Mar 04 1982 Cerberus A.G. Intrusion detector
D275658, Mar 04 1982 Cereberus A.G. Intrusion detector unit
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jul 29 1987C & K Systems, Inc.(assignment on the face of the patent)
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