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Patent
D341902
Priority
Jan 24 1991
Filed
Jan 24 1991
Issued
Nov 30 1993
Expiry
Nov 30 2007
TERM.DISCL.
Assg.orig
Entity
unknown
4
10
n/a
The ornamental design for a long range fresnel lens array for infrared motion detector, as shown and described.
The single FIGURE is a front elevational view of a long range 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
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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