Sine wave template

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Description

FIG. 1 is a front elevational view of a sine wave template showing my new design, the rear being identical except that the printed matter has been omitted;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D21568 May 1892 Geraci
D25609 June 1896 Davis
D157218 February 1950 Vanderbrook
3220115 November 1965 Puckett
Patent History
Patent number: D244836
Type: Grant
Filed: Apr 12, 1976
Date of Patent: Jun 28, 1977
Inventor: Bruce H. Stockton (Boulder, CO)
Primary Examiner: Nelson C. Holtje
Attorney: Bertha L. MacGregor
Application Number: 5/676,225
Classifications
Current U.S. Class: Template Or Comparator Gauge (6) (D10/64)
International Classification: D1004;