Combined square and protractor
Description
FIG. 1 is a front elevational view of a combined square and protractor showing my new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a bottom plan view of FIG. 2;
FIG. 6 is a top plan view of FIG. 1.
Referenced Cited
U.S. Patent Documents
74356 | February 1868 | Hendry |
D198935 | August 1964 | Elkins |
D226501 | March 1973 | Walker |
1118067 | November 1914 | Smith |
1166512 | January 1916 | Dannenfelser |
1281790 | October 1918 | Kirk |
Patent History
Patent number: D245235
Type: Grant
Filed: Dec 29, 1975
Date of Patent: Aug 2, 1977
Assignee: On-Line Data, Inc. (Dallas, TX)
Inventor: Dan Hurwitz (Dallas, TX)
Primary Examiner: Nelson C. Holtje
Attorney: Wm. T. Wofford
Application Number: 5/644,432
Type: Grant
Filed: Dec 29, 1975
Date of Patent: Aug 2, 1977
Assignee: On-Line Data, Inc. (Dallas, TX)
Inventor: Dan Hurwitz (Dallas, TX)
Primary Examiner: Nelson C. Holtje
Attorney: Wm. T. Wofford
Application Number: 5/644,432
Classifications