Piano training device

Description

FIG. 1 is a perspective view of a piano training device showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a front side elevational view thereof.

The undisclosed bottom portion of the piano training device is plane and unornamented.

Referenced Cited
U.S. Patent Documents
D247119 January 31, 1978 Nilsson et al.
532964 January 1895 Ingraham
572550 December 1896 Clements-Kropp
1009194 November 1911 Smith
1260601 March 1918 Vallely
1666464 April 1928 Moffett
1811865 June 1931 Rogers
1865370 June 1932 Hon et al.
2072071 February 1937 Engel
2072511 March 1937 Ross
2284868 June 1942 Heaney
2807183 September 1957 Ney
3022698 February 1962 Lucas
3196731 July 1965 Ingley
3311996 April 1967 Bergener
3477332 November 1969 Kreiss
4548585 October 22, 1985 Kelly
Patent History
Patent number: D313424
Type: Grant
Filed: Sep 1, 1987
Date of Patent: Jan 1, 1991
Inventor: Charles H. High (Conroe, TX)
Primary Examiner: Bernard Ansher
Assistant Examiner: Adir Aronovich
Attorney: William E. Shull
Application Number: 7/91,791
Classifications