Keyboard instrument
Description
Claims
The ornamental design for a keyboard instrument, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
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Patent History
Patent number: D890249
Type: Grant
Filed: Feb 22, 2018
Date of Patent: Jul 14, 2020
Inventors: Manuel Hoctin Boes (Barcelona), Alejandro Oliver Parellada (Barcelona)
Primary Examiner: Sheryl Lane
Assistant Examiner: Samantha N Wood
Application Number: 29/637,890
Type: Grant
Filed: Feb 22, 2018
Date of Patent: Jul 14, 2020
Inventors: Manuel Hoctin Boes (Barcelona), Alejandro Oliver Parellada (Barcelona)
Primary Examiner: Sheryl Lane
Assistant Examiner: Samantha N Wood
Application Number: 29/637,890
Classifications
Current U.S. Class:
Piano Or Cabinet Therefor (D17/7)