PTO Wrapper PDF
Dossier Espace Google
Patent
   D331124
Priority
Aug 16 1991
Filed
Aug 16 1991
Issued
Nov 17 1992
Expiry
Nov 17 2006
Inventors
Claytor, R…
Assg.orig
FRESNEL TE…
Assg.curr
Fresnel Te…
Entity
unknown
Referenced by
4
References
10
Maint.:
n/a
The ornamental design for a wide angle fresnel lens array for infrared motion detector, as shown and described.

The single FIGURE is a front elevational view of a wide angle 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
10539718, Aug 17 2017 Honeywell International Inc. Fresnel lens array with improved off-axis optical efficiency
6211522, Jan 04 1998 Tyco Fire & Security GmbH Passive infra-red intrusion sensor
9188487, Nov 16 2011 Tyco Fire & Security GmbH Motion detection systems and methodologies
D826073, May 01 2017 RISCO LTD. Motion detector
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
//
Executed onAssignorAssigneeConveyanceFrameReelDoc
Jul 30 1991CLAYTOR, RICHARD N FRESNEL TECHNOLOGIES, INC ,ASSIGNMENT OF ASSIGNORS INTEREST 0058130942 pdf
Aug 16 1991Fresnel 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