Music teaching aid

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Description

FIG. 1 is a perspective view showing the music teaching aid showing our new design seen obliquely from above.

FIG. 2 is a perspective view showing the stand of the music teaching aid according to FIG. 1 seen obliquely from below.

FIG. 3 is a top plan view showing the top face of the ruler of the music teaching aid according to FIG. 1.

FIG. 4 is a bottom plan view showing the bottom face of the ruler of the music teaching aid according to FIG. 1.

FIG. 5 is a top plan view showing the top face of the stand of the music teaching aid according to FIG. 1.

Referenced Cited
U.S. Patent Documents
347686 August 1886 Carpenter et al.
718065 January 1903 Woods
2564616 August 1951 Telasco
Foreign Patent Documents
185,862 September 1922 UK
Patent History
Patent number: D247119
Type: Grant
Filed: Mar 31, 1976
Date of Patent: Jan 31, 1978
Assignee: Almqvist & Wiksell Laromedel AB (Stockholm)
Inventors: Folke B. Nilsson (Knivsta), Bengt Erik Lindahl (Spanga)
Primary Examiner: Melvin B. Feifer
Attorney: Karl W. Flocks
Application Number: 5/672,494
Classifications
Current U.S. Class: Teaching Material (D19/59)
International Classification: D1907;