Orthoptic therapy bar with prisms

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Description

FIG. 1 is a perspective view of a bar with prisms, embodying my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is an end view thereof;

FIG. 6 is a perspective view of a second embodiment of my new design;

FIG. 7 is a front view thereof;

FIG. 8 is a perspective view of a third embodiment of my new design; and

FIG. 9 is a front view thereof.

Referenced Cited
U.S. Patent Documents
2376554 May 1945 Ranoe
2619872 December 1952 Shepard
2837087 June 1958 Sawyer
2840073 June 1958 Zeltzer et al.
3787112 January 1974 Lyons
Patent History
Patent number: D243288
Type: Grant
Filed: Oct 9, 1975
Date of Patent: Feb 1, 1977
Assignee: Optical Sciences Group, Inc. (San Rafael, CA)
Inventors: Arthur Jampolsky (Belvedere, CA), Richard J. Kapash (San Rafael, CA), Merton C. Flom (Oakland, CA), Anthony J. Adams (Oakland, CA), Larry A. Spitzberg (San Rafael, CA)
Primary Examiner: Bernard Ansher
Attorney: Stephen S. Townsend
Application Number: 5/620,977
Classifications
Current U.S. Class: D83/12R
International Classification: D2402;