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
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