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Inventor: Prince R. Nelson
Original Assignee: Prince Rogers Nelson
Primary Examiner: Adir Aronovich
Current U.S. Classification: D17/1

View patent at USPTO
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Citations

Cited PatentFiling dateIssue dateOriginal AssigneeTitle
US4314494Nov 19, 1979Feb 9, 1982Electric keyboard musical instrument
US4570521Mar 30, 1984Feb 18, 1986Electronic musical instrument with string-simulating switches
USD245197Jul 30, 1975Jul 26, 1977Portable, electronic, remote-control, wireless keyboard musical instrument
USD254496Jan 31, 1977Mar 18, 1980Keyboard instrument for use with a remote synthesizer or the like
USD278066Aug 27, 1982Mar 19, 1985Portable musical synthesizer
USD296338May 20, 1985Jun 21, 1988Lync Systems Inc.Remote keyboard controller

Referenced by

Citing PatentFiling dateIssue dateOriginal AssigneeTitle
US7396987Apr 5, 2006Jul 8, 2008Portable keyboard musical instrument
US7521619Apr 19, 2007Apr 21, 2009Allegro Multimedia, Inc.System and method of instructing musical notation for a stringed instrument
US7777117Apr 17, 2009Aug 17, 2010Hal Christopher SalterSystem and method of instructing musical notation for a stringed instrument
USD355923Jun 18, 1993Feb 28, 1995Hal Leonard Publishing CorporationElectronic keyboard
USD389876Jan 2, 1997Jan 27, 1998The Little Tikes CompanyToy musical keyboard
USD490837Feb 14, 2003Jun 1, 2004Roll-up electronic keyboard
USD550274Mar 23, 2006Sep 4, 2007Portable keyboard

Claims

The ornamental design for portable electronic keyboard musical instrument, as shown and described.

Drawings