Assistive listening device

- Knowles Electronic, LLC
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Description

FIG. 1 is a perspective view of an assistive listening device according to our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a front view thereof; and,

FIG. 7 is a rear view thereof, the undisclosed portion is not part of the claimed design.

Claims

The ornamental design for an assistive listening device, as shown and described.

Referenced Cited
U.S. Patent Documents
2812826 November 1957 Hawley
D182820 May 1958 Kamp
4789044 December 6, 1988 Akino
5548658 August 20, 1996 Ring et al.
6401860 June 11, 2002 Ellington et al.
6721432 April 13, 2004 Yamamoto
7050597 May 23, 2006 Akino
Patent History
Patent number: D573588
Type: Grant
Filed: Oct 26, 2006
Date of Patent: Jul 22, 2008
Assignee: Knowles Electronic, LLC (Itasca, IL)
Inventors: Daniel Max Warren (Geneva, IL), Matthew Mial Mason (Algonquin, IL), Clifford Ryan Grounds (Plainfield, IL), Thomas Joschika (Sleepy Hollow, IL)
Primary Examiner: Paula A. Greene
Attorney: Fitch, Even, Tabin & Flannery
Application Number: 29/267,979
Classifications
Current U.S. Class: Microphone (D14/225)