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Patent
   D315423
Priority
Feb 27 1989
Filed
Feb 27 1989
Issued
Mar 12 1991
Expiry
Mar 12 2005
Inventors
Claytor, R…
Assg.orig
FRESNEL TE…
Assg.curr
Fresnel Te…
Entity
unknown
Referenced by
9
References
8
Maint.:
n/a
The ornamental design for a long range fresnel lens array for infrared motion detector system, as shown and described.

The single FIGURE is a front elevational view of a long range fresnel lens array for infrared motion detector system showing our 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., Torti, Russell G.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D331120, Aug 16 1991 Fresnel Technologies, Inc. Extra wide fresnel lens array for infrared motion detector
D331121, Aug 16 1991 Fresnel Technologies, Inc. Fresnel lens array for infrared motion detector
D331122, Aug 16 1991 Fresnel Technologies, Inc. Fresnel lens array for infrared motion detector
D331123, Aug 19 1991 Fresnel Technologies, Inc. Long range fresnel lens array for infrared motion detector
D331124, Aug 16 1991 Fresnel Technologies, Inc. Wide angle fresnel lens array for infrared motion detector
D331125, Aug 19 1991 Fresnel Technologies, Inc. Fresnel lens array for infrared motion detector
D331126, Aug 16 1991 Fresnel Technologies, Inc. Extra wide angle fresnel lens array for infrared motion detector
D331471, Jan 24 1991 Fresnel Technologies, Inc. Long range fresnel lens array for infrared motion detector
D341902, Jan 24 1991 Fresnel Technologies, Inc. Long range fresnel lens array for infrared motion detector
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
1399749,
1970358,
3463118,
3708222,
3883733,
4772094, Feb 05 1985 Bright & Morning Star Company Optical stereoscopic system and prism window
DE968412,
GB2173013A,
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 06 1989CLAYTOR, RICHARD N FRESNEL TECHNOLOGIES, INC ASSIGNMENT OF ASSIGNORS INTEREST 0050500405 pdf
Feb 06 1989TORTI, RUSSELL GFRESNEL TECHNOLOGIES, INC ASSIGNMENT OF ASSIGNORS INTEREST 0050500407 pdf
Feb 27 1989Fresnel Technologies, Inc.(assignment on the face of the patent)
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