Patent
   D281784
Priority
Jul 14 1982
Filed
Jul 14 1982
Issued
Dec 17 1985
Expiry
Dec 17 1999
Assg.orig
Entity
unknown
1
3
n/a
The ornamental design for a sight-transposing enabling keyboard for musical instruments, substantially as shown and described.

FIG. 1 is a front, top and left side perspective view of two octaves of a sight-transposing enabling keyboard for musical instruments showing my new design, with the keyboard shown as broken to indicate indeterminate width and the frame shown in broken lines as environmental for illustrative purposes only;

FIG. 2 is a view like FIG. 1 of the two keys which are alternately repeated to form the keyboard, with the rear of the keys shown in phantom as environmental and broken away to indicate indeterminate length;

FIG. 3 is a left side elevational view of the keyboard with the rear of the keys shown as in FIG. 2;

FIG. 4 is a top plan view of a portion of the keyboard with the rear of the keys shown as in FIG. 2;

FIG. 5 is a right side elevational view thereof; and

FIG. 6 is a front elevational view thereof.

Tabor, James A.

Patent Priority Assignee Title
10319354, Aug 03 2016 Mercurial Modulation, LLC; MERCURIAL MODULATION LLC Modulating keyboard with relative transposition mechanism for electronic keyboard musical instruments
Patent Priority Assignee Title
2097280,
2807183,
214465,
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