Keyboard
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Description
FIG. 1 is a top right front perspective view of a keyboard showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is left side elevational view thereof; and
FIG. 7 is a right side elevational view thereof.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
D258899 | April 14, 1981 | Hayama et al. |
D282850 | March 4, 1986 | Futami |
D312266 | November 20, 1990 | Shibasaki |
4619175 | October 28, 1986 | Matsuzaki |
2108748 | May 1983 | GBX |
- Best Catalog, 1984-1985, p. 326 (Casio Keyboard, Item 1). The Music Trades, Feb. 1986, p. 29 (Bontempi X301 and X451 Keyboards). The Music Trades, Jan. 1987, p. 101 (Casio Keyboard).
Patent History
Patent number: D316722
Type: Grant
Filed: Oct 11, 1988
Date of Patent: May 7, 1991
Assignee: The Quaker Oats Company (Chicago, IL)
Inventor: Karl D. Lerch (East Aurora, NY)
Primary Examiner: Bernard Ansher
Assistant Examiner: Adir Aronovich
Law Firm: Cumpston & Shaw
Application Number: 7/256,286
Type: Grant
Filed: Oct 11, 1988
Date of Patent: May 7, 1991
Assignee: The Quaker Oats Company (Chicago, IL)
Inventor: Karl D. Lerch (East Aurora, NY)
Primary Examiner: Bernard Ansher
Assistant Examiner: Adir Aronovich
Law Firm: Cumpston & Shaw
Application Number: 7/256,286
Classifications