Patent
   D609268
Priority
Aug 01 2008
Filed
Jan 30 2009
Issued
Feb 02 2010
Expiry
Feb 02 2024
Assg.orig
Entity
unknown
1
7
n/a
The ornamental design for keyboard practice aid, as shown and described.

FIG. 1 is a front perspective view of the keyboard practice aid showing the design, hand rests dotted;

FIG. 2 is a side view from the right thereof, the left being a mirror image thereof, hand rests dotted;

FIG. 3 is a front view thereof, hand rests dotted;

FIG. 4 is a rear view thereof, hand rests dotted;

FIG. 5 is a top view thereof, hand rests dotted;

FIG. 6 is a bottom end view thereof, hand rests dotted; and,

FIG. 7 is a perspective environmental view of design in an in-use position abutting piano keyboard, piano and hand rests dotted.

The broken lines shown herein are for illustrative purposes only and form no part of the claimed design. The environmental view illustrates the keyboard practice aid in use with a portion of a piano, which is disclaimed.

In FIGS. 1 and 37, the break line on the keyboard practice aid indicates an indeterminate length and forms no part of the claimed design.

Hall, Richard, Russell, Jeremy, Flood, Tim

Patent Priority Assignee Title
D661343, Jun 29 2011 Finger position assistance aid for playing a keyboard
Patent Priority Assignee Title
291330,
5082258, Apr 05 1991 Exercising device for pianists and the like
591800,
679288,
704343,
D301418, Jun 30 1986 Musical instrument stand or the like
D304270, Nov 17 1986 Adjustable keyboard support stand
////
Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 30 2009Scalerail Limited(assignment on the face of the patent)
Feb 10 2009RUSSELL, JEREMYScalerail LimitedASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0222740312 pdf
Feb 10 2009HALL, RICHARDScalerail LimitedASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0222740312 pdf
Feb 10 2009FLOOD, TIMScalerail LimitedASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0222740312 pdf
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule