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
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