Assistive listening device
Warren , et al. July 22, 2
U.S. patent number D573,588 [Application Number D/267,979] was granted by the patent office on 2008-07-22 for assistive listening device. This patent grant is currently assigned to Knowles Electronic, LLC. Invention is credited to Clifford Ryan Grounds, Thomas Joschika, Matthew Mial Mason, Daniel Max Warren.
| United States Patent | D573,588 |
| Warren , et al. | July 22, 2008 |
Assistive listening device
Claims
CLAIM The ornamental design for an assistive listening device, as shown and described.
| Inventors: | Warren; Daniel Max (Geneva, IL), Mason; Matthew Mial (Algonquin, IL), Grounds; Clifford Ryan (Plainfield, IL), Joschika; Thomas (Sleepy Hollow, IL) |
|---|---|
| Assignee: | Knowles Electronic, LLC
(Itasca, IL) |
| Appl. No.: | D/267,979 |
| Filed: | October 26, 2006 |
| Current U.S. Class: | D14/225 |
| Current International Class: | 1401 |
| Field of Search: | ;D14/225 ;181/21,158,192,242 ;381/174,191,355,356,369,360,353 |
References Cited [Referenced By]
U.S. Patent Documents
| 2812826 | November 1957 | Hawley |
| D182820 | May 1958 | Kamp |
| 4789044 | December 1988 | Akino |
| 5548658 | August 1996 | Ring et al. |
| 6401860 | June 2002 | Ellington et al. |
| 6721432 | April 2004 | Yamamoto |
| 7050597 | May 2006 | Akino |
Attorney, Agent or Firm: Fitch, Even, Tabin & Flannery
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.
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