T-square with centering ruler

Description

FIG. 1 is a top, front, and right side perspective view of a t-square with centering ruler showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a bottom plan view;

FIG. 4 is a right side elevational view, the left side elevational view being a mirror image;

FIG. 5 is a front elevational view;

FIG. 6 is a rear elevational view; and

FIG. 7 is a top plan view, showing the centering ruler in an alternate position thereof.

Referenced Cited
U.S. Patent Documents
D199807 December 1964 Wilson
D255784 July 8, 1980 Seely, Jr.
D282828 March 4, 1986 Holder
1107432 August 1914 Mantz
1298995 April 1919 Michalovitz
2238581 April 1941 De Lisle
4825559 May 2, 1989 Santos
Patent History
Patent number: D314712
Type: Grant
Filed: Jul 25, 1988
Date of Patent: Feb 19, 1991
Inventor: Perry L. Kunz (Modesto, CA)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Antoine D. Davis
Law Firm: Lothrop & West
Application Number: 7/224,082
Classifications