PTO
Wrapper
PDF
Dossier
Espace
Google
Patent
D685480
Priority
Jan 07 2010
Filed
Sep 24 2012
Issued
Jul 02 2013
Expiry
Jul 02 2027
Assg.orig
Entity
unknown
12
10
n/a
The ornamental design for a cataract detection eye chart , substantially as shown and described.
The sole FIGURE is a front view of a cataract detection eye chart showing my new design. The cataract detection eye chart has no appreciable thickness.
Husain, Abbas M.
Patent
Priority
Assignee
Title
D725791 ,
Dec 31 2013
Dongguk University Industry-Academic Cooperation Foundation
Chart for reference standards for cerebral white matter hyperintensities
D728797 ,
Dec 13 2013
HENRY FORD HEALTH SYSTEM
Vision assessment apparatus
D734470 ,
Dec 13 2013
HENRY FORD HEALTH SYSTEM
Vision assessment chart
D738509 ,
Mar 10 2014
EASYSCAN B V
Ophthalmoscope
D741493 ,
Jan 09 2015
Pediatric color eye chart
D742015 ,
Jan 09 2015
Color eye chart
D745169 ,
Jan 28 2014
META PLATFORMS TECHNOLOGIES, LLC
Eye tracking apparatus
D829328 ,
Jan 06 2017
Vision treatment apparatus
D844145 ,
Dec 22 2014
HENRY FORD HEALTH SYSTEM
Vision assessment chart
D882719 ,
Nov 29 2018
RE FACTOR TACTICAL, LLC
Shooting target
D883490 ,
Feb 24 2017
ACEP FRANCE
Eye testing apparatus
D948724 ,
Apr 16 2019
HENRY FORD HEALTH SYSTEM
Vision assessment chart
Patent
Priority
Assignee
Title
4615594 ,
Jan 23 1985
The United States of America as represented by the Secretary of the Air
Vision test chart and method using Gaussians
5500699 ,
Dec 17 1990
Spatial frequency and contrast sensitivity test chart and protocol
5801809 ,
Nov 06 1996
Eye chart with color vision screening
7264356 ,
Aug 06 2003
PERCEPTION DATA, INC
Techniques for diagnosing and aiding color vision
20090185134 ,
20110013142 ,
20110199574 ,
20110267577 ,
20130021579 ,
D370259 ,
Apr 05 1994
Retina chart
Executed on Assignor Assignee Conveyance Frame Reel Doc
Date
Maintenance Fee Events
n/a
Date
Maintenance Schedule
n/a