Ophthalmometer or similar article

- Canon
Description

FIG. 1 is a front elevational view of a ophthalmometer or similar article showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof; and

FIG. 7 is a perspective view thereof, with the pedestal shown in open condition.

Referenced Cited
U.S. Patent Documents
D245917 September 27, 1977 Armbruster
D246188 October 25, 1977 Jordan
2765702 October 1956 Sachtleben
2890620 June 1959 Williams
4520816 June 4, 1985 Schachar et al.
4807988 February 28, 1989 Baumberg
Other references
  • Ophthalmic Instruments, 7/1981, p. 26, Tonometer.
Patent History
Patent number: D320077
Type: Grant
Filed: Aug 9, 1988
Date of Patent: Sep 17, 1991
Assignee: Canon Kabushiki Kaisha (Tokyo)
Inventor: Hiroyuki Koizumi (Tokyo)
Primary Examiner: James M. Gandy
Assistant Examiner: Marcus Jackson
Law Firm: Fitzpatrick, Cella, Harper & Scinto
Application Number: 7/230,121
Classifications
Current U.S. Class: Ophthalmic (44) (D24/172)