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Patent
D331122
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 a fresnel lens array for infrared motion detector, as shown and described.
The single FIGURE is a front elevational view of a 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
2510344 ,
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
D325966 ,
Jan 31 1990
Jade Vines International Inc.
Kitchen exhaust hood
GB2173013A ,
Date
Maintenance Fee Events
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Date
Maintenance Schedule
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