Headphone
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Description
FIG. 1 is a top plan view of a headphone, showing our new design;
FIG. 2 is a left-side elevational view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a right-side elevational view thereof;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is a bottom plan view thereof; and,
FIG. 7 is a perspective view thereof.
Referenced Cited
U.S. Patent Documents
Other references
| D228352 | September 1973 | Itagaki |
| D229833 | January 1974 | Becker |
| D235210 | May 1975 | Hill |
| D244037 | April 12, 1977 | Warner et al. |
| D254183 | February 12, 1980 | Doodson |
| D255352 | June 10, 1980 | Besasie |
| D262019 | November 24, 1981 | Upshaw |
| D317767 | June 25, 1991 | Banks |
| 4829571 | May 9, 1989 | Kakiuchi et al. |
| 5018599 | May 28, 1991 | Dohi et al. |
- Popular Mechanics, Nov. 1980 p. 96, model AKG K-340, right side. Telephony, Aug. 2, 1982 p. 15, headset, bottom. Dak Industries, p. 9 headset, top. Radio Shack 1988 Cat. Realistic Nova-40 headphones.
Patent History
Patent number: D336646
Type: Grant
Filed: Nov 25, 1991
Date of Patent: Jun 22, 1993
Assignee: Sony Corporation (Tokyo)
Inventors: Akira Yamazaki (Tokyo), Toshio Iribe (Tokyo), Hidefumi Gotoh (Tokyo)
Primary Examiner: Bernard Ansher
Assistant Examiner: Sandra Morris
Attorneys: Lewis H. Eslinger, Jay H. Maioli
Application Number: 7/797,288
Type: Grant
Filed: Nov 25, 1991
Date of Patent: Jun 22, 1993
Assignee: Sony Corporation (Tokyo)
Inventors: Akira Yamazaki (Tokyo), Toshio Iribe (Tokyo), Hidefumi Gotoh (Tokyo)
Primary Examiner: Bernard Ansher
Assistant Examiner: Sandra Morris
Attorneys: Lewis H. Eslinger, Jay H. Maioli
Application Number: 7/797,288
Classifications
Current U.S. Class:
Headphone Or Headset (D14/205)