Patent
   D340311
Priority
Jan 24 1991
Filed
Jan 24 1991
Issued
Oct 12 1993
Expiry
Oct 12 2007

TERM.DISCL.
Assg.orig
Entity
unknown
8
9
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.

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10539718, Aug 17 2017 Honeywell International Inc. Fresnel lens array with improved off-axis optical efficiency
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Patent Priority Assignee Title
1970358,
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3708222,
3883733,
4772094, Feb 05 1985 Bright & Morning Star Company Optical stereoscopic system and prism window
D315805, Feb 27 1989 Fresnel Technologies, Inc. Horizontal fan fresnel lens array for infrared motion detector
D315808, Feb 27 1989 Fresnel Technologies, Inc. Extra wide angle fresnel lens array for infrared motion detector
DE968412,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 23 1991CLAYTOR, RICHARD N FRESNEL TECHNOLOGIES, INC ASSIGNMENT OF ASSIGNORS INTEREST 0055850201 pdf
Jan 24 1991Fresnel Technologies, Inc.(assignment on the face of the patent)
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