Acoustic feedback learning aid

- Super Duper Publications
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Description

FIG. 1 is a front perspective view of the acoustic feedback learning aid design;

FIG. 2 is a front plan view of the acoustic feedback learning aid design;

FIG. 3 is rear plan view of the acoustic feedback learning aid design;

FIG. 4 is a side elevation view of the acoustic feedback learning aid design, with the opposite side being symmetrical thereto;

FIG. 5 is top plan view of the acoustic feedback learning aid design; and,

FIG. 6 is a bottom plan view of the acoustic feedback learning aid design.

The broken line disclosures shown in the Figures of the acoustic feedback learning aid design are for illustrative purposes only and forms no part of the claimed design.

Claims

The ornamental design for acoustic feedback learning aid, as shown and described.

Referenced Cited
U.S. Patent Documents
D261669 November 3, 1981 Tran et al.
D287145 December 9, 1986 Shilton et al.
D318306 July 16, 1991 Cheung
D406867 March 16, 1999 Wise et al.
D410046 May 18, 1999 Fletcher
D420404 February 8, 2000 Yiu
D420405 February 8, 2000 Plain et al.
D453793 February 19, 2002 Hou
D473203 April 15, 2003 Enos et al.
Patent History
Patent number: D565659
Type: Grant
Filed: Oct 23, 2006
Date of Patent: Apr 1, 2008
Assignee: Super Duper Publications (Greenville, SC)
Inventor: Sharon G. Webber (Greer, SC)
Primary Examiner: Robert A. Delehanty
Assistant Examiner: Mark Cavanna
Attorney: McNair Law Firm, P.A.
Application Number: 29/267,825