Piano clock

The ornamental design for a piano clock, as shown.

FIG. 1 is a front elevational view of a piano clock showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof.

Patent	Priority	Assignee	Title
D353338,	Dec 31 1992	Pollyframe International B.V.	Clock with alarm
D380688,	Apr 01 1996		Clock

Patent	Priority	Assignee	Title
179340,

Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
Jan 11 1988	NG, KAM W	Silcon Electronics Company Limited	ASSIGNMENT OF ASSIGNORS INTEREST	004822	0339	pdf
Jan 19 1988		Silcon Electronics Company Limited	(assignment on the face of the patent)

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