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Patent
D636430
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Priority
Jul 10 2009
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Filed
Jul 10 2009
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Issued
Apr 19 2011
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Expiry
Apr 19 2025
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Assg.orig
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Entity
unknown
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0
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8
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n/a
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The ornamental design for a damper lever for grand piano, as shown.
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FIG. 1 is a front view of damper lever for grand piano.
FIG. 2 is a rear view of damper lever for grand piano.
FIG. 3 is a top side view of damper lever for grand piano.
FIG. 4 is a bottom view of damper lever for grand piano.
FIG. 5 is a right side view of damper lever for grand piano.
FIG. 6 is a left side view damper lever for grand piano.
FIG. 7 is a front view defining cross sectional planes 8 and 9.
FIG. 8 is a cross section of damper lever for grand piano.
FIG. 9 is a cross section of damper lever for grand piano.
FIG. 10 is a top view defining cross sectional plane 11; and,
FIG. 11 is a cross section of damper lever for grand piano.
Clark, Bruce E., Burgett, Kirk
| Patent |
Priority |
Assignee |
Title |
| Patent |
Priority |
Assignee |
Title |
| 3262195, |
|
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|
| 5932820, |
Nov 01 1996 |
Kabushiki Kaisha Kawai Gakki Seisakusho |
Damper lever for grand piano |
| 6020544, |
Jun 12 1998 |
STEINWAY MUSICAL INSTRUMENTS, INC |
Piano sostenuto assembly |
| 6348645, |
May 12 2000 |
Kabushiki Kaisha Kawai Gakki Seisakusho |
Damper for grand piano |
| 6632988, |
Apr 04 2000 |
Steinway Musical Instruments, Inc.; STEINWAY MUSICAL INSTRUMENTS, INC |
Damper adjustment device |
| 7807907, |
Jan 08 2008 |
Yamaha Corporation |
Keyboard musical instrument and action unit incorporated therein |
| D309347, |
Oct 13 1988 |
AMERICAN METAL PRODUCTS COMPANY, LAFOLLETTE, TN , A COMPANY OF DE |
Damper lever |
| D499755, |
Mar 11 2003 |
Yamaha Corporation |
Electronic piano |
| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a