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Patent
   D331471
Priority
Jan 24 1991
Filed
Jan 24 1991
Issued
Dec 01 1992
Expiry
Dec 01 2006
Inventors
Claytor, R…
Assg.orig
FRESNEL TE…
Assg.curr
Fresnel Te…
Entity
unknown
Referenced by
0
References
10
Maint.:
n/a
The ornamental design for a long range fresnel lens array for infrared motion detector, as shown and described.

The single FIGURE is a front elevational view of a long range 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.
INVENTORS:

Claytor, Richard N.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
THIS PATENT REFERENCES THESE PATENTS:
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,
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 23 1991CLAYTOR, RICHARD N FRESNEL TECHNOLOGIES, INC , 101 WEST MORNINGSIDE DRIVE, FORT WORTH, TX 76110 A CORP OF TXASSIGNMENT OF ASSIGNORS INTEREST 0056700636 pdf
Jan 24 1991Fresnel Technologies, Inc.(assignment on the face of the patent)
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