Patent
   D310678
Priority
Jul 30 1987
Filed
Jan 25 1988
Issued
Sep 18 1990
Expiry
Sep 18 2004
Assg.orig
Entity
unknown
1
8
n/a
The ornamental design for a key unit for a keyboard musical instrument, as shown and described.

FIG. 1 is a perspective view of a key unit for a keyboard musical instrument showing our new design;

FIG. 2 is a front elevational view thereof; the rear side being a mirror image thereto;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

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

FIG. 6 is a right side elevational view thereof.

Takefuji, Kanpei, Takefuji, Ritsuko

Patent Priority Assignee Title
D324231, Jun 13 1990 Key unit for keyboard musical instrument
Patent Priority Assignee Title
360255,
4124313, Aug 22 1974 Kienzle Apparate GmbH Keyboard assembly
4202640, Aug 22 1974 Kienzle Apparate GmbH Keyboard assembly
214169,
219027,
225858,
D272624, Nov 23 1981 AT&T TELETYPE CORPORATION A CORP OF DE Teleprinter keyboard
DE889394,
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