Drawing instrument

Description

FIG. 1 is a top plan view of the drawing instrument showing my new design, the bottom plan being mirror image thereto.

FIG. 2 is a right side elevational view thereof.

FIG. 3 is a left side elevational view thereof.

FIG. 4 is a front edge elevational view thereof.

FIG. 5 is a rear edge elevational view thereof.

FIG. 6 is a fragmentary cross-sectional view as taken from line 6--6 of FIG. 1 which illustrates the uniform height embossments of the lines. The other lines and numerals are also embossed.

Referenced Cited
U.S. Patent Documents
D167432 August 1952 Turner
D186283 October 1959 Lannon
1964197 June 1934 Edison
3945123 March 23, 1976 Tortorici
Patent History
Patent number: D253875
Type: Grant
Filed: Jul 15, 1977
Date of Patent: Jan 8, 1980
Inventor: Joseph M. Boarman (Indianapolis, IN)
Primary Examiner: Nelson C. Holtje
Attorney: Harold R. Woodard
Application Number: 5/816,094
Classifications
Current U.S. Class: Combined (D10/62)
International Classification: D1004;