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Class Information
Number: 84/179
Name: Music > Instruments > Stringed > Pianos > Cases > Fall boards
Description: The improvements relate to the fall-board alone.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7589265 |
Upright piano |
Sep. 15, 2009 |
| 7550658 |
Keyboard musical instrument with fallboard located at proper position and rotary connector used for fallboard |
Jun. 23, 2009 |
| 7507883 |
Electronic keyboard instrument |
Mar. 24, 2009 |
| 7498502 |
Keyboard musical instrument having accommodation space for fallboard between keyboard and rear top board |
Mar. 3, 2009 |
| 7495158 |
Opening/closing mechanism for a keyboard instrument cover |
Feb. 24, 2009 |
| 7012179 |
Fall board stopper for keyboard instrument |
Mar. 14, 2006 |
| 6879317 |
Collapsible data entry panel |
Apr. 12, 2005 |
| 6686521 |
Keyboard instrument |
Feb. 3, 2004 |
| 6673991 |
Keyboard lid opening and closing mechanism for keyboard musical instrument and keyboard musical instrument |
Jan. 6, 2004 |
| 6660917 |
Keyboard musical instrument having fall board formed with clearance for fingers |
Dec. 9, 2003 |
| 6545203 |
Opening and closing assist for a front lid of a keyboard instrument |
Apr. 8, 2003 |
| 6459023 |
Mounting board for guitar effects |
Oct. 1, 2002 |
| 6353163 |
Fallboard arrangement for keyboard instrument |
Mar. 5, 2002 |
| 6130371 |
Fall board structure for keyboard instrument |
Oct. 10, 2000 |
| 5973241 |
Keyboard musical instrument having an improved cover opening/closing mechanism |
Oct. 26, 1999 |
| 5942702 |
Keyboard musical instrument having fall-board assembled with case by means of oldham's coupling |
Aug. 24, 1999 |
| 5920019 |
Damper for generating damping force variable in dependence on angular position of fall board of keyboard musical instrument |
Jul. 6, 1999 |
| 5918296 |
Closing control device for fallboard |
Jun. 29, 1999 |
| 5837911 |
Rotary damper for generating damping force variable in dependence on angular position of fall board of keyboard musical instrument |
Nov. 17, 1998 |
| 5635655 |
Apparatus, with oil damper, for opening and closing fall board of musical keyboard instrument |
Jun. 3, 1997 |
| 5487321 |
Keyboard lid, its open-close structure and arm members for keyed instrument |
Jan. 30, 1996 |
| 5433131 |
Keyboard cover apparatus for electronic keyboard instrument |
Jul. 18, 1995 |
| 5429026 |
Keyboard lid, its open-close structure and arm members for keyed instrument |
Jul. 4, 1995 |
| 5353675 |
Open-close structure for a keyed instrument |
Oct. 11, 1994 |
| 5175386 |
Keyboard instrument with keyboard cover mechanism |
Dec. 29, 1992 |
| 5076129 |
Apparatus for opening and closing the cover for a keyboard of a musical instrument |
Dec. 31, 1991 |
| 5056396 |
Opening/closing apparatus of keyboard cover |
Oct. 15, 1991 |
| 4817487 |
Structure of fall board assembly of keyboard instrument |
Apr. 4, 1989 |
| 4742749 |
Lid structure of electronic musical instrument |
May. 10, 1988 |
| 4667557 |
Detachable locking system for the fallboard of a keyboard musical instrument |
May. 26, 1987 |
| 4387623 |
Parallel motion linkage for the sliding keyboard cover of a piano |
Jun. 14, 1983 |
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