|
The ornamental design for a headphone, as shown and described. |
|||||||||||||||||
FIG. 1 is a top plan view of a headphone, showing my 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;
FIG. 7 is a perspective view thereof; and,
FIG. 8 is a perspective view thereof shown with headband in the extended position.
| Patent | Priority | Assignee | Title |
| D357254, | Mar 23 1992 | Silver Creek Nurseries, Inc. | Combination hearing protector and sound amplifier |
| D410238, | May 17 1996 | Deben Group Industries Limited | Ear-defender assembly |
| D913598, | Jan 31 2019 | INVISIO A S | Headset |
| D932709, | Sep 26 2020 | Passive shooting earmuffs | |
| D978444, | Jun 17 2021 | Electronic earmuff | |
| ER8658, | |||
| ER9687, |
| Patent | Priority | Assignee | Title |
| 2782423, | |||
| 5018599, | Oct 03 1988 | Sony Corporation | Headphone device |
| 222361, | |||
| D244037, | Jun 16 1976 | Audiotronics Corporation | Acoustical head-set |
| D254616, | May 19 1977 | Sansui Electric Co., Ltd. | Head phone |
| D301145, | Sep 25 1986 | Koss Corporation | Stereophone or similar article |
| D313092, | Feb 19 1988 | Bilsom AB | Ear muff |
| D317767, | Jan 19 1989 | Koss Corporation | Headphone or similar article |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Oct 21 1991 | Sony Corporation | (assignment on the face of the patent) | / | |||
| Dec 02 1991 | YAMAZAKI, AKIRA | SONY CORPORATION A CORP OF JAPAN | ASSIGNMENT OF ASSIGNORS INTEREST | 005950 | /0968 |
| Date | Maintenance Fee Events |
| Date | Maintenance Schedule |