PTO Wrapper PDF
Dossier Espace Google
Patent
   D315966
Priority
Nov 07 1988
Filed
Nov 07 1988
Issued
Apr 02 1991
Expiry
Apr 02 2005

TERM.DISCL.
Inventors
Claytor, R…
Assg.orig
FRESNEL TE…
FRESNEL TE…
Assg.curr
Fresnel Te…
Entity
unknown
Referenced by
9
References
8
Maint.:
n/a
The ornamental design for a wide angle fresnel lens array for infrared motion detector system, as shown and described.

The single FIGURE is a front elevational view of a wide angle 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
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
D340312, Jan 24 1991 Fresnel Technologies, Inc. Wide angle 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
///
Executed onAssignorAssigneeConveyanceFrameReelDoc
Oct 07 1988CLAYTOR, RICHARD N FRESNEL TECHNOLOGIES, INC , A CORP OF TXASSIGNMENT OF ASSIGNORS INTEREST 0050690421 pdf
Oct 07 1988TORTI, RUSSELL GFRESNEL TECHNOLOGIES, INC ASSIGNMENT OF ASSIGNORS INTEREST 0050890152 pdf
Nov 07 1988Fresnel Technologies, Inc.(assignment on the face of the patent)
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule