Headphone
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Description
FIG. 1 is a top, front, and right-side elevational view of a headphone, showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is an enlarged cross-sectional view thereof taken through section lines 3--3 of FIG. 2;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a right-side elevational view thereof, the left-side being a mirror image;
FIG. 6 is a top plan view thereof; and
FIG. 7 is a bottom plan view thereof.
Referenced Cited
U.S. Patent Documents
Other references
D310081 | August 21, 1990 | Daido et al. |
D310223 | August 28, 1990 | Chudnow |
4668842 | May 26, 1987 | Yokoyama et al. |
- ID, Sep./Oct. 1987, p. 79, top left--MDR-A60 Digital Headphones. B. A. Pargh, 1987/88, Fall/Winter Catalog, p. 347, top left--Sony MDRW10LSSY Stereo Headphones. Best Products Fall Catalog--1987, p. 236, center--Item 6-Sony Sports Walkman.
Patent History
Patent number: D316551
Type: Grant
Filed: Dec 29, 1988
Date of Patent: Apr 30, 1991
Assignee: Sony Corporation (Tokyo)
Inventor: Kazuo Ichikawa (Kokubunji)
Primary Examiner: Theodore M. Shooman
Attorney: Lewis H. Eslinger
Application Number: 7/291,857
Type: Grant
Filed: Dec 29, 1988
Date of Patent: Apr 30, 1991
Assignee: Sony Corporation (Tokyo)
Inventor: Kazuo Ichikawa (Kokubunji)
Primary Examiner: Theodore M. Shooman
Attorney: Lewis H. Eslinger
Application Number: 7/291,857
Classifications