Patent
   D315805
Priority
Feb 27 1989
Filed
Feb 27 1989
Issued
Mar 26 1991
Expiry
Mar 26 2005

TERM.DISCL.
Assg.orig
Entity
unknown
8
7
n/a
The ornamental design for a horizontal fan fresnel lens array for infrared motion detector, as shown and described.

The single FIGURE is a front elevational view of a horizontal fan fresnel lens array for infrared motion detector showing our 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., Torti, Russell G.

Patent Priority Assignee Title
D340311, Jan 24 1991 Fresnel Technologies, Inc. Fresnel lens array for infrared motion detector
D585154, Aug 31 2007 Fresnel lens
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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
DE968412,
GB2173013A,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 06 1989TORTI, RUSSELL GFRESNEL TECHNOLOGIES, INC ASSIGNMENT OF ASSIGNORS INTEREST 0050500409 pdf
Feb 06 1989CLAYTOR, RICHARD N FRESNEL TECHNOLOGIES, INC ,ASSIGNMENT OF ASSIGNORS INTEREST 0050500411 pdf
Feb 27 1989Fresnel Technologies, Inc.(assignment on the face of the patent)
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