Retina chart

Description

FIG. 1 is a front elevational view of a retina chart, showing my new design;

FIG. 2 is side elevational view thereof, with all other sides being identical thereto;

FIG. 3 is a front elevational view of a second embodiment of FIG. 1;

FIG. 4 is a side elevational view thereof, with all other sides being identical thereto;

FIG. 5 is a front elevational view of a third embodiment of FIG. 1; and,

FIG. 6 is a side elevational view thereof, with all other sides being identical thereto.

The rear of FIGS. 1-6 is plain and unornamented.

Referenced Cited
U.S. Patent Documents
D143433 January 1946 Leech
789387 March 1905 Ryer
1391084 September 1921 Updegrave
1556525 November 1923 King
1647017 November 1927 Reaves
1850168 March 1932 Covelle
2184920 December 1939 Bigelow
2328700 September 1943 Wiltberger
2464001 March 1949 Shepard
3025755 March 1962 Koetting
3951062 April 20, 1976 Abramson
Foreign Patent Documents
18721 July 1899 GBX
441758 January 1936 GBX
745651 May 1943 GBX
Patent History
Patent number: D370259
Type: Grant
Filed: Apr 5, 1994
Date of Patent: May 28, 1996
Inventor: Steven A. Teich (New York, NY)
Primary Examiner: Stella Reid
Law Firm: Helfgott & Karas
Application Number: 0/20,933
Classifications
Current U.S. Class: Ophthalmic (44) (D24/172)