Tonometer

Description

FIG. 1 is a top plan view of a tonometer showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof; and

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D268522 April 5, 1983 Tamm
D269905 July 26, 1983 Tamm
D280017 August 6, 1985 Camens
3896791 July 1975 Ono
4248242 February 3, 1981 Tamm
Patent History
Patent number: D284508
Type: Grant
Filed: Nov 21, 1983
Date of Patent: Jul 1, 1986
Inventor: Ikuya Enatsu (Tokyo)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Law Firm: Steinberg & Raskin
Application Number: 6/553,406
Classifications
Current U.S. Class: D24/21; 128/685; 128/680; D24/17