Pupil expander

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Description

FIG. 1 is a perspective view of a pupil expander showing my new design;

FIG. 2 is a left side elevation view and is a mirror image of a right side elevation view thereof;

FIG. 3 is a front side elevation view and is a mirror image of a rear side elevation view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a top plan view thereof.

Claims

The ornamental design for a pupil expander, as shown and described.

Referenced Cited
U.S. Patent Documents
3925825 December 1975 Richards et al.
4321916 March 30, 1982 McKee
4387706 June 14, 1983 Glass
4428746 January 31, 1984 Mendez
5163419 November 17, 1992 Goldman
5267553 December 7, 1993 Graether
5318011 June 7, 1994 Federman et al.
5322054 June 21, 1994 Graether
5427088 June 27, 1995 Graether
6083155 July 4, 2000 Trese
6183480 February 6, 2001 Mackool
6497724 December 24, 2002 Stevens et al.
6620098 September 16, 2003 Milverton
7175594 February 13, 2007 Foulkes
7806929 October 5, 2010 Brown
7947049 May 24, 2011 Vaquero
7985180 July 26, 2011 Brown
8323296 December 4, 2012 Malyugin
8376743 February 19, 2013 Bukhary
8496583 July 30, 2013 Reynard
8876859 November 4, 2014 Buehler et al.
8900136 December 2, 2014 Cote et al.
20030092970 May 15, 2003 Lee
20140378773 December 25, 2014 Dykes
Patent History
Patent number: D735857
Type: Grant
Filed: Oct 31, 2012
Date of Patent: Aug 4, 2015
Inventor: Ronald Eugene Dykes (The Woodlands, TX)
Primary Examiner: Robert M Spear
Assistant Examiner: Marissa J Cash
Application Number: 29/421,946
Classifications
Current U.S. Class: Ophthalmic (D24/150)