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Patent
D331120
Priority
Aug 16 1991
Filed
Aug 16 1991
Issued
Nov 17 1992
Expiry
Nov 17 2006
Assg.orig
Entity
unknown
0
10
n/a
The ornamental design for an extra wide fresnel lens array for infrared motion detector, as shown and described.
The single FIGURE is a front elevational view of an extra 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
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 ,
Date
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