Patent
   D331121
Priority
Aug 16 1991
Filed
Aug 16 1991
Issued
Nov 17 1992
Expiry
Nov 17 2006
Assg.orig
Entity
unknown
0
10
n/a
The ornamental design for an fresnel lens array for infrared motion detector, as shown and described.

The single FIGURE is a front elevational view of a fresnel lens array for infrared motion detector showing my new design, the lens array being a flat, rectangular, thin sheet having a front surface with grooves, thereon and a plain, smooth rear surface with no ornamentation.

Claytor, Richard N.

Patent Priority Assignee Title
Patent Priority Assignee Title
D315422, Oct 11 1988 Fresnel Technologies, Inc. Lens array for passive infrared motion detector systems or the like
D315423, Feb 27 1989 Fresnel Technologies, Inc. Long range fresnel lens array for infrared motion detector system
D315424, Feb 27 1989 Fresnel Technologies, Inc. Vertical barrier fresnel lens array for infrared motion detector systems
D315425, Feb 27 1989 Fresnel Technologies, Inc. Dense wide angle fresnel lens array for infrared motion detector system
D315806, Feb 27 1989 Fresnel Technologies, Inc. Dense wide angle fresnel lens array for infrared motion detector
D315807, Feb 27 1989 Fresnel Technologies, Inc. Wide angle fresnel lens array for infrared motion detector
D315808, Feb 27 1989 Fresnel Technologies, Inc. Extra wide angle fresnel lens array for infrared motion detector
D315966, Nov 07 1988 Fresnel Technologies, Inc. Wide angle fresnel lens array for infrared motion detector system
DE968412,
GB2173013A,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jul 30 1991CLAYTOR, RICHARD N FRESNEL TECHNOLOGIES, INC ASSIGNMENT OF ASSIGNORS INTEREST 0058120418 pdf
Aug 16 1991Fresnel Technologies, Inc.(assignment on the face of the patent)
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