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
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