Keratometer

- Canon
Description

FIG. 1 is a front elevational view of a keratometer showing our new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a side elevational view as seen from the left of FIG. 1;

FIG. 6 is a side elevational view as seen from the right of FIG. 1 and

FIG. 7 is a perspective view thereof, with the keratometer in mounted position; the broken line showing of the microscope and power cord being for illustrative purposes only and forming no part of the claimed design and portions of the design being omitted for ease of illustration.

Referenced Cited
U.S. Patent Documents
4187005 February 5, 1980 Rosenberger
4363536 December 14, 1982 Thaer et al.
4420228 December 13, 1983 Humphrey
Patent History
Patent number: D299745
Type: Grant
Filed: Apr 8, 1986
Date of Patent: Feb 7, 1989
Assignee: Canon Kabushiki Kaisha (Tokyo)
Inventors: Hiroaki Sasaki (Yokohama), Yukitsugu Nakamura (Sagamihara)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Stella M. Reid
Law Firm: Fitzpatrick, Cella, Harper & Scinto
Application Number: 6/850,904
Classifications
Current U.S. Class: D24/17