- The Quaker Oats Company

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
D258899 April 14, 1981 Hayama et al.
D282850 March 4, 1986 Futami
D312266 November 20, 1990 Shibasaki
4619175 October 28, 1986 Matsuzaki
Foreign Patent Documents
2108748 May 1983 GBX
Other references
  • 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