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Patent
D340312
Priority
Jan 24 1991
Filed
Jan 24 1991
Issued
Oct 12 1993
Expiry
Oct 12 2007
TERM.DISCL.
Assg.orig
Entity
unknown
11
9
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.
Claytor, Richard N.
Patent
Priority
Assignee
Title
6211522 , Jan 04 1998
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Patent
Priority
Assignee
Title
1970358 ,
3463118 ,
3708222 ,
3883733 ,
4772094 , Feb 05 1985
Bright & Morning Star Company Optical stereoscopic system and prism window
D315422 , Oct 11 1988
Fresnel Technologies, Inc. Lens array for passive infrared motion detector systems or the like
D315966 , Nov 07 1988
Fresnel Technologies, Inc. Wide angle fresnel lens array for infrared motion detector system
DE968412 ,
GB2173013A ,
Date
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