Optical measuring instrument

Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a left side elevation view of an optical measuring instrument according to my new design, the right side elevation view being a mirror image thereof;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is an isometric view thereof;

FIG. 6 is an elevation view thereof, and

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D188814 September 1960 Wesley et al.
D245917 September 27, 1977 Armbruster
D254933 May 6, 1980 Muller
3640610 February 1972 Nupuf
3871772 March 1975 Munnerlyn et al.
Patent History
Patent number: D271901
Type: Grant
Filed: Apr 28, 1981
Date of Patent: Dec 20, 1983
Assignee: Essilor International (Compagnie Generale d'Optique) (Creteil)
Inventor: Donald Waslander (Paris)
Primary Examiner: Bernard Ansher
Law Firm: Burgess, Ryan and Wayne
Application Number: 6/258,538
Classifications
Current U.S. Class: D24/11; D24/17
International Classification: D2401;