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Class Information
Number: 84/423R
Name: Music > Instruments > General features > Keyboards
Description:
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7619154 |
Instructional device and method for piano or other musical keyboard |
Nov. 17, 2009 |
| 7612274 |
Electronic musical instrument |
Nov. 3, 2009 |
| 7608772 |
Black key for keyboard instrument and method of manufacturing a black key cover |
Oct. 27, 2009 |
| 7605319 |
Keyboard apparatus |
Oct. 20, 2009 |
| 7586030 |
Keyboard apparatus |
Sep. 8, 2009 |
| 7582821 |
Electronic musical instrument keyboard apparatus |
Sep. 1, 2009 |
| 7550664 |
Keyboard apparatus |
Jun. 23, 2009 |
| 7544876 |
Keyboard apparatus of electronic keyboard instrument |
Jun. 9, 2009 |
| 7541532 |
Key structure and keyboard apparatus |
Jun. 2, 2009 |
| 7541530 |
Tone plate for keyboard-type tone plate percussion instrument, tone plate fabricating method, tone generator unit of tone plate percussion instrument, and keyboard-type percussion instrument |
Jun. 2, 2009 |
| 7528311 |
Keyboard-type percussion instrument |
May. 5, 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 |
| 7495163 |
Wireless musical keyboard |
Feb. 24, 2009 |
| 7488885 |
Key guide structure in keyboard apparatus |
Feb. 10, 2009 |
| 7488884 |
Keyboard musical instrument having sloped top surface |
Feb. 10, 2009 |
| 7476795 |
Keyboard device for electronic musical keyboard instrument |
Jan. 13, 2009 |
| 7465863 |
Keyboard apparatus |
Dec. 16, 2008 |
| 7439436 |
Main case body of musical keyboard instrument |
Oct. 21, 2008 |
| 7425672 |
Exterior structure for keyboard instrument |
Sep. 16, 2008 |
| 7411122 |
Keyboard device for keyboard musical instrument |
Aug. 12, 2008 |
| 7402741 |
Keyboard apparatus |
Jul. 22, 2008 |
| 7396987 |
Portable keyboard musical instrument |
Jul. 8, 2008 |
| 7394013 |
Methods and electronic systems for fingering assignments |
Jul. 1, 2008 |
| 7368644 |
Top board structure for keyboard instrument |
May. 6, 2008 |
| 7368647 |
Support for a musical keyboard instrument |
May. 6, 2008 |
| 7365259 |
Keyboard apparatus |
Apr. 29, 2008 |
| 7332663 |
Keyboard apparatus |
Feb. 19, 2008 |
| 7329812 |
Electronic musical instrument |
Feb. 12, 2008 |
| 7326844 |
Keyboard apparatus |
Feb. 5, 2008 |
| 7323628 |
Keyboard musical instrument having top board coupled with another board through mortise and tenon joint |
Jan. 29, 2008 |
| 7297854 |
Keyboard apparatus |
Nov. 20, 2007 |
| 7297855 |
Keyboard apparatus and method of producing the keyboard apparatus |
Nov. 20, 2007 |
| 7294775 |
Drum support assembly |
Nov. 13, 2007 |
| 7268285 |
Key structure and keyboard apparatus |
Sep. 11, 2007 |
| 7253349 |
Engineers piano with bisymmetrical manuals and accompanying musical notation system |
Aug. 7, 2007 |
| 7241949 |
Electronic musical instrument |
Jul. 10, 2007 |
| 7227069 |
Insertable piano/keyboard strip for sensing key movement |
Jun. 5, 2007 |
| 7214897 |
Illuminated keyboard with illuminated patterns displayed on top surface of keyboard |
May. 8, 2007 |
| 7202408 |
Methods and electronic systems for fingering assignments |
Apr. 10, 2007 |
| 7176370 |
Key structure and keyboard apparatus |
Feb. 13, 2007 |
| 7154033 |
Keyboard for musical instrument |
Dec. 26, 2006 |
| 7151212 |
Compact keyboard apparatus with accurate detection of key pressing speed |
Dec. 19, 2006 |
| 7119270 |
Geometric system and method for generating tone using fluid |
Oct. 10, 2006 |
| 7067730 |
Keyboard musical instrument having keys regulated with stable key balance pieces |
Jun. 27, 2006 |
| 7060883 |
Compact keyboard apparatus with accurate detection of key pressing speed |
Jun. 13, 2006 |
| 6930234 |
Adjustable keyboard apparatus and method |
Aug. 16, 2005 |
| 6894211 |
Keyboard apparatus |
May. 17, 2005 |
| 6875913 |
Collapsible musical keyboard |
Apr. 5, 2005 |
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