Electronic keyboard instrument
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Description
Claims
The ornamental design for an electronic keyboard instrument, as shown.
Referenced Cited
U.S. Patent Documents
Patent History
Patent number: D552158
Type: Grant
Filed: Aug 10, 2005
Date of Patent: Oct 2, 2007
Assignee: Yamaha Corporation (Shizuoka)
Inventor: Soichiro Tanaka (Hamamatsu)
Primary Examiner: Ian Simmons
Assistant Examiner: R. Johnson
Attorney: Sughrue Mion, PLLC
Application Number: 29/235,990
Type: Grant
Filed: Aug 10, 2005
Date of Patent: Oct 2, 2007
Assignee: Yamaha Corporation (Shizuoka)
Inventor: Soichiro Tanaka (Hamamatsu)
Primary Examiner: Ian Simmons
Assistant Examiner: R. Johnson
Attorney: Sughrue Mion, PLLC
Application Number: 29/235,990
Classifications