Drawing compass

Description

FIG. 1 is a left front perspective view of a drawing compass showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a bottom plan view;

FIG. 4 is a front elevational view;

FIG. 5 is a rear elevational view;

FIG. 6 is a left side elevational view; and

FIG. 7 is a right side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D227151 June 1973 Welch
D240919 August 1976 Yamaguchi
D246981 January 17, 1978 Yamaguchi
4150486 April 24, 1979 Payton
4815881 March 28, 1989 Chern
4858326 August 22, 1989 Warwicker
4912855 April 3, 1990 Tatelbame
Patent History
Patent number: D322630
Type: Grant
Filed: Feb 27, 1989
Date of Patent: Dec 24, 1991
Inventor: Tyan Ching-Guang (Taipei Hsien)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Martha Thompson
Law Firm: Lowe, Price, LeBlanc & Becker
Application Number: 7/316,102