Easy To Use Patents Search & Patent Lawyer Directory

At Patents you can conduct a Patent Search, File a Patent Application, find a Patent Attorney, or search available technology through our Patent Exchange. Patents are available using simple keyword or date criteria. If you are looking to hire a patent attorney, you've come to the right place. Protect your idea and hire a patent lawyer.


Search All Patents:



  This Patent May Be For Sale or Lease. Contact Us

  Is This Your Patent? Claim This Patent Now.



Register or Login To Download This Patent As A PDF




United States Patent D844,145
Zhang March 26, 2019

Vision assessment chart

Claims


CLAIM The ornamental design for a vision assessment chart, as shown and described.
Inventors: Zhang; Fuxiang (Northville, MI)
Applicant:
Name City State Country Type

Henry Ford Health System

Detroit

MI

US
Assignee: Henry Ford Health System (Detroit, MI)
Appl. No.: D/512,685
Filed: December 22, 2014

Current U.S. Class: D24/172; D24/150
Current International Class: 2401
Field of Search: ;D24/137,138,150,172 ;351/218,200,221,216,222,225,243,244,246 ;600/200,175 ;D10/61,65,114.8,126 ;D21/362,385,386,390,441,443,444,488,790

References Cited [Referenced By]

U.S. Patent Documents
1903502 April 1933 Campbell
2576358 November 1951 Pritikin
D190823 July 1961 Dembski
3025755 March 1962 Koetting
3269792 August 1966 Mirsky
3288546 November 1966 Gans
3414348 December 1968 Gambs
3421498 January 1969 Gans
3476465 November 1969 Jackson et al.
3482905 December 1969 Ben-Tovim
3664732 May 1972 Lynn
D226214 January 1973 Hoffmann
3936164 February 1976 Cohen et al.
D243076 January 1977 Thompson
4260227 April 1981 Munnerlyn et al.
4365873 December 1982 Ginsburg
4615594 October 1986 Task
4660948 April 1987 Retz
5108170 April 1992 Sugiyama
5148807 September 1992 Hsu
D333799 March 1993 Charriol
5292514 March 1994 Capecchi
D360375 July 1995 Snapp
D370259 March 1996 Teich
5500699 March 1996 Ginsburg
5589897 December 1996 Sinclair et al.
D377528 January 1997 Teich
5640962 June 1997 Jean et al.
5752967 May 1998 Kritzinger
5801809 September 1998 Husain
5886770 March 1999 Damato
6068378 May 2000 Weiss
6079831 June 2000 Sarver et al.
6095989 August 2000 Hay et al.
6120444 September 2000 Miyakawa et al.
D433348 November 2000 Kallestad
D444236 June 2001 Koop et al.
6542081 April 2003 Torch
6554424 April 2003 Miller
7025455 April 2006 Roffman
D533904 December 2006 Ellis
7222961 May 2007 Soliz et al.
7264356 September 2007 Jones et al.
D568133 May 2008 Weldingh
D580808 November 2008 Van Tulder
7789510 September 2010 Fateh
D633815 March 2011 Tan et al.
8047652 November 2011 Collazo
8066376 November 2011 Wang et al.
8087780 January 2012 Yeh et al.
8275438 September 2012 Simpson et al.
D671026 November 2012 Thurau
D683253 May 2013 Kallestad
D683254 May 2013 Bennett
D685480 July 2013 Husain
D762508 August 2016 Ducas et al.
9427311 August 2016 Christie
D781737 March 2017 Blootacker
2004/0085327 May 2004 Jones
2004/0193070 September 2004 Schilder et al.
2004/0223118 November 2004 Jean et al.
2006/0132712 June 2006 Grove et al.
2006/0235514 October 2006 Silvestrini
2006/0270946 November 2006 Silvestrini et al.
2008/0204659 August 2008 Carbonari
2009/0185134 July 2009 Sarver
2009/0231545 September 2009 Peyman
2010/0182568 July 2010 Sarver
2011/0013142 January 2011 Husain
2011/0040376 February 2011 Christie
2011/0199574 August 2011 Van Dalen et al.
2011/0267577 November 2011 Verma
2013/0286351 October 2013 Shimizu
2014/0277432 September 2014 Silvestrini
Foreign Patent Documents
2247087 Feb 1992 GB
Primary Examiner: Rogers; Lakiya G
Assistant Examiner: Fitts; Carissa C
Attorney, Agent or Firm: Brooks Kushman P.C.

Description



FIG. 1 is a front view of a vision assessment chart according to an embodiment;

FIG. 2 is a side view of the vision assessment chart of FIG. 1, with all other sides being identical thereto;

FIG. 3 is a front view of a vision assessment chart according to another embodiment; and,

FIG. 4 is a side view of the vision assessment chart of FIG. 3, with all other sides being identical thereto.

The broken lines show portions of the article not claimed and forms no part of the claimed design.

* * * * *

File A Patent Application

  • Protect your idea -- Don't let someone else file first. Learn more.

  • 3 Easy Steps -- Complete Form, application Review, and File. See our process.

  • Attorney Review -- Have your application reviewed by a Patent Attorney. See what's included.