Ophthalmic instrument control board

Description

FIG. 1 is a top plan view of an ophthalmic instrument control board showing my new design ;

FIG. 2 is a view of the control board from one side, the opposite side being of substantially the identical appearance; and

FIG. 3 is a view of one end, the opposite end being of substantially identical appearance.

Referenced Cited
U.S. Patent Documents
3294472 December 1966 Haugen
3294473 December 1966 Haugen
3341275 September 1967 Haugen
3844641 October 1974 Nowak
3947098 March 30, 1976 Paget
Patent History
Patent number: D245863
Type: Grant
Filed: Feb 5, 1976
Date of Patent: Sep 20, 1977
Assignee: American Optical Corporation (Southbridge, MA)
Inventor: John T. Armbruster (Niagara Falls, NY)
Primary Examiner: Bernard Ansher
Attorney: William C. Nealon
Application Number: 5/655,332
Classifications
Current U.S. Class: D24/11
International Classification: D2401;