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
Other references
D308215 | May 29, 1990 | Katsuhara |
D320611 | October 8, 1991 | Ono |
D320612 | October 8, 1991 | Ohki |
5157213 | October 20, 1992 | Kashio et al. |
D372931 | August 20, 1996 | Miura |
D411563 | June 29, 1999 | Okamura |
D416039 | November 2, 1999 | Tanaka |
D425105 | May 16, 2000 | Saito |
RE37909 | November 26, 2002 | Tatsumi |
D510381 | October 4, 2005 | Okamura et al. |
- U.S. Appl. No. 29/231,306, filed Jun. 3, 2005, Manabu Kawada et al.
Patent History
Patent number: D552157
Type: Grant
Filed: Jun 3, 2005
Date of Patent: Oct 2, 2007
Assignee: Yamaha Corporation (Shizuoka)
Inventors: Manabu Kawada (Hamamatsu), Tamie Onishi (Hamamatsu), Enrico Bergese (Hamamatsu)
Primary Examiner: Ian Simmons
Assistant Examiner: R. Johnson
Attorney: Sughrue Mion, PLLC
Application Number: 29/231,302
Type: Grant
Filed: Jun 3, 2005
Date of Patent: Oct 2, 2007
Assignee: Yamaha Corporation (Shizuoka)
Inventors: Manabu Kawada (Hamamatsu), Tamie Onishi (Hamamatsu), Enrico Bergese (Hamamatsu)
Primary Examiner: Ian Simmons
Assistant Examiner: R. Johnson
Attorney: Sughrue Mion, PLLC
Application Number: 29/231,302
Classifications