Protractor
Description
FIG. 1 is a top plan view of a protractor showing my new design, the bottom being plain and unornamented;
FIG. 2 is a front elevational view thereof.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
| D129583 | September 1941 | Grant |
| D137459 | March 1944 | Colmery |
| D157458 | February 1950 | Zagray |
| D267932 | February 15, 1983 | Sidrak |
| 621177 | March 1899 | Sykes |
| 665316 | January 1901 | Fay |
| 1264633 | April 1918 | Gibson |
| 1961500 | June 1934 | Larson |
| 2011282 | August 1935 | Hochman |
| 2735182 | February 1956 | Kalberer |
| 3579841 | May 1971 | Peterson |
| 121364 | June 1926 | CHX |
Patent History
Patent number: D271667
Type: Grant
Filed: Oct 20, 1981
Date of Patent: Dec 6, 1983
Inventor: Fahim R. Sidrak (Wilmington, NC)
Primary Examiner: Nelson C. Holtje
Attorney: B. B. Olive
Application Number: 6/313,308
Type: Grant
Filed: Oct 20, 1981
Date of Patent: Dec 6, 1983
Inventor: Fahim R. Sidrak (Wilmington, NC)
Primary Examiner: Nelson C. Holtje
Attorney: B. B. Olive
Application Number: 6/313,308
Classifications
