Set-square

Description

FIG. 1 is a bottom plan view of a set-square showing our new design;

FIG. 2 is a right side elevational;

FIG. 3 is a top plan view;

FIG. 4 is a left side elevational;

FIG. 5 is a front elevational view; and

FIG. 6 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D226226 January 1973 Hogland
D237364 October 1975 Hoagland
D237693 November 1975 Hoagland
1111174 September 1914 Ostringer
2752685 July 1956 Zauner
3462846 August 1969 Goerz
3473228 October 1969 Hortmann et al.
Foreign Patent Documents
527682 July 1956 CAX
656271 September 1963 ITX
8910848 November 1989 WOX
Patent History
Patent number: D313762
Type: Grant
Filed: May 25, 1988
Date of Patent: Jan 15, 1991
Inventors: Keith W. Chan (Taikoo Shing), Yu S. Man (Taikoo Shing), Eileen Pau Pui-Fun (Taikoo Shing), Ivy Ma Shiu-Ping (Taikoo Shing)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Antoine D. Davis
Law Firm: Burns, Doane, Swecker & Mathis
Application Number: 7/198,507
Classifications