Violin learning board


FIG. 1 is a bottom plan view of a violin learning board showing my new design;

FIG. 2 is a top plan view thereof, turned from FIG. 1;

FIG. 3 is a front elevational view thereof, the rear being a mirror image; and

FIG. 4 is a side elevational view thereof, the opposite side being a mirror image.

Referenced Cited
U.S. Patent Documents
D45986 June 1914 Burrows
D269352 June 14, 1983 Lower
959318 May 1910 Dessureau
1419440 June 1922 Ashley
1700395 January 1929 Yukl
Other references
  • Vital Statistics, Music Trade Show, Chicago, Ill., Jul. 21-24, 1958, bottom right of page.
Patent History
Patent number: D286413
Type: Grant
Filed: Sep 6, 1983
Date of Patent: Oct 28, 1986
Inventor: John C. DeFrancesco (Omaha, NE)
Primary Examiner: Bernard Ansher
Assistant Examiner: Theodore M. Shooman
Attorney: E. Robert Newman
Application Number: 6/529,476