Title:
Keyboard instrument
United States Patent D783709
Inventors:
Tragatschnig, Jorg (Zell am See, AT)
Application Number:
29/530613
Publication Date:
04/11/2017
Filing Date:
06/18/2015
Assignee:
Alpha Pianos GmbH (St. Andra-Wordern, AT)
Primary Class:
International Classes:
(IPC1-7): 1701
Field of Search:
D3/204, D5/31, D17/1, D17/2, D17/4, D17/5, D17/7-9, D17/20, D17/24, D17/99, D19/150, D21/409, D21/586, 84/177, 84/426, 84/719, 84/720, 84/744, 84/745
View Patent Images:
US Patent References:
D229228N/ANovember, 1973BarczakD17/1
D173309N/AOctober, 1954JohnstonD17/5
Other References:
Youtube. Alpha Piano ORF. Apr. 28, 2014 [earliest online date], [site visited Aug. 31, 2016]. Available from Internet, .
Design Boom. Touch sensitive mpiano by alpha pianos provides musicians with novel possibilities. May 8, 2016 [earliest online date], [site visited Aug. 31, 2016]. Available from Internet, .
Primary Examiner:
Spear, Robert M.
Assistant Examiner:
Heflin, Darcey E.
Attorney, Agent or Firm:
Hoffmann & Baron, LLP
Claims:
CLAIM

1. The ornamental design for a keyboard instrument, as shown and described.

Description:

FIG. 1 is a top perspective view of a keyboard instrument in accordance with the invention;

FIG. 2 is a front view of the keyboard instrument shown in FIG. 1;

FIG. 3 is a right side elevational view of the keyboard instrument shown in FIG. 1;

FIG. 4 is a rear view of the keyboard instrument shown in FIG. 1;

FIG. 5 is a left side elevational view of a keyboard instrument shown in FIG. 1;

FIG. 6 is a top elevation view of the keyboard instrument shown in FIG. 1;

FIG. 7 is a bottom elevation view of the keyboard instrument shown in FIG. 1; and,

FIG. 8 is a bottom perspective view of the keyboard instrument shown in FIG. 1.