Combination protractor and compass

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Description

FIG. 1 is a top plan view of a combined protractor and compass showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a side elevational view in cross section as taken from line 4--4 of FIG. 1.

Referenced Cited
U.S. Patent Documents
2007986 July 1935 Sprague
3465445 September 1969 Fisher
3497678 February 1970 Warner
3795053 March 1974 Burke
Patent History
Patent number: D250177
Type: Grant
Filed: Mar 7, 1977
Date of Patent: Nov 7, 1978
Inventor: Herman L. Hulen (Canoga Park, CA)
Primary Examiner: Nelson C. Holtje
Attorney: Francis X. Lojacono, Sr.
Application Number: 5/775,567
Classifications
Current U.S. Class: Combined (D10/62); Angle Or Direction (7) (D10/65); Plural Or Combined (D19/36); Compass (D19/38)
International Classification: D1004;