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Patent
   D756516
Priority
Mar 10 2014
Filed
Mar 10 2014
Issued
May 17 2016
Expiry
May 17 2030

TERM.DISCL.
Inventors
Zacher, Ru…
Assg.orig
Alcon Rese…
Assg.curr
Alcon Inc
Entity
unknown
Referenced by
8
References
19
Maint.:
n/a
The ornamental design for a pupil expander, as shown and described.

FIG. 1 is a perspective view of the pupil expander of the present invention.

FIG. 2 is a front view of the pupil expander of the present invention.

FIG. 3 is a back view of the pupil expander of the present invention.

FIG. 4 is a first side view of the pupil expander of the present invention;

FIG. 5 is a second side view of the pupil expander of the present invention.

FIG. 6 is a top view of the pupil expander of the present invention; and,

FIG. 7 is a bottom view of the pupil expander of the present invention.
INVENTORS:

Zacher, Rudolph F., Chon, James Y., Chin, Hsin S.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D831218, Mar 08 2017 Knetik, Lda. Polishing piece for ophthalmic lenses
D863390, May 17 2013 Johnson & Johnson Vision Care, Inc. Ophthalmic lens
D943095, Mar 26 2020 BioGenware, LLC Eyelid speculum
D958997, Nov 21 2019 MAXELL HOLDINGS, LTD ; MAXELL, LTD Swallowing sensor
ER2192,
ER2307,
ER3471,
ER6307,
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
3998217, Jan 13 1975 William E., Trumbull; James J., Cogley Surgical retractor device
5163419, Apr 04 1991 Device for expanding the pupil of a human eye
6440065, Oct 01 2001 The Nemours Foundation Single-use disposable eyelid speculum, eye examination kit, and method for examining a patient's eye
6497700, Jun 28 2001 Multi-function surgical instrument for facilitating ophthalmic laser surgery
6620098, Dec 03 1998 Milvella PTY LTD Device for dilating a pupil and/or maintaining a pupil in a dilated state
20020022211,
20070208228,
20070238933,
D489130, Jan 21 2003 MORIA S A Eye speculum
D504721, Dec 06 2002 Discus Dental, LLC Retractor
D505203, Jan 21 2002 MORIA S A Eye speculum
D533664, Jan 19 2004 Synthes USA, LLC Surgical aiming device
D535024, Sep 15 2004 Bionix, LLC Patient positioning frame
D536094, Sep 15 2004 Bionix, LLC Patient positioning frame
D581531, Apr 11 2006 COOPER SURGICAL, INC Tissue retractor frame
D617455, Jul 30 2008 GC Corporation Angulus oris dilating implement
D630736, Mar 27 2010 Shyh-Jen, Wang Open-end ratchet rack of retractor
D686729, Oct 18 2011 Oasis Medical, Inc. Ophthalmic structure
D711536, Apr 27 2012 ESSILOR INTERNATIONAL COMPAGNIE GENERALE D OPTIQUE Optical parameter measuring instrument
ASSIGNMENT RECORDS    Assignment records on the USPTO
//////
Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 04 2014CHIN, HSIN S Alcon Research, LtdASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0323910861 pdf
Mar 05 2014CHON, JAMES Y Alcon Research, LtdASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0323910861 pdf
Mar 06 2014ZACHER, RUDOLPH F Alcon Research, LtdASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0323910861 pdf
Mar 10 2014Novartis AG(assignment on the face of the patent)
Mar 10 2014Alcon Research, LtdNovartis AGASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0323910881 pdf
Oct 23 2019Novartis AGAlcon IncCONFIRMATORY DEED OF ASSIGNMENT, EFFECTIVE APRIL 8, 20190508130024 pdf
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