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Patent
   D585154
Priority
Aug 31 2007
Filed
Feb 26 2008
Issued
Jan 20 2009
Expiry
Jan 20 2023
Inventors
Ryder, Nils
Assg.orig
Assg.curr
Entity
unknown
Referenced by
6
References
8
Maint.:
n/a
The ornamental design for a fresnel lens, as shown and described.

FIG. 1 is a front, elevational view of a fresnel lens embodying my new design;

FIG. 2 is a top plan view thereof, the bottom plan view being identical; and,

FIG. 3 is a left side elevational view thereof, the right side elevational view being identical.
INVENTORS:

Ryder, Nils

THIS PATENT IS REFERENCED BY THESE PATENTS:
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D914208, Jun 14 2019 Owen Mumford Limited Syringe component
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D959651, Apr 08 2020 Owen Mumford Limited Medical instrument
D959654, Aug 10 2016 Owen Mumford Limited Safety pen needle
D972745, May 07 2020 Owen Mumford Limited Testing device
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
3020395,
4011857, Nov 24 1975 Solar energy converter and elongated Fresnel lens element
D315424, Feb 27 1989 Fresnel Technologies, Inc. Vertical barrier fresnel lens array for infrared motion detector systems
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
D331126, Aug 16 1991 Fresnel Technologies, Inc. Extra wide angle fresnel lens array for infrared motion detector
D340311, Jan 24 1991 Fresnel Technologies, Inc. Fresnel lens array for infrared motion detector
D340312, Jan 24 1991 Fresnel Technologies, Inc. Wide angle fresnel lens array for infrared motion detector
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