Geometrical instrument

Description

FIG. 1 is a top and right front perspective view of a geometrical instrument showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a cross-sectional view as taken from line 3--3 of FIG. 1;

FIG. 4 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D28880 June 1898 Nauds
D142608 October 1945 Ziegfeld
D216329 December 1969 Waterloo
1660624 February 1928 Musham
1708551 April 1929 Nell
Patent History
Patent number: D262779
Type: Grant
Filed: Jan 7, 1980
Date of Patent: Jan 26, 1982
Inventor: David Yeeda (Dallas, TX)
Primary Examiner: Nelson C. Holtje
Application Number: 6/109,962
Classifications
Current U.S. Class: Geometric (5) (D10/61)
International Classification: D1004;