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The ornamental design for a stereo headphone, as shown. |
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FIG. 1 is a perspective view of a stereo headphone showing my new design;
FIG. 2 is a left side elevation thereof;
FIG. 3 is a right side elevation thereof;
FIG. 4 is a front elevation thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a top plan view thereof; and
FIG. 7 is a rear elevation thereof.
| Patent | Priority | Assignee | Title |
| 4463223, | Jul 10 1981 | Nippon Columbia Kabushikikaisha | Head phone |
| D302130, | Oct 03 1985 | Swatch AG | Watch |
| D573131, | Jul 12 2007 | Super Duper Publications | Acoustic feedback headset |
| D670275, | Dec 01 2011 | SUPERIOR COMMUNICATIONS, INC. | Square headset |
| Patent | Priority | Assignee | Title |
| 1489978, | |||
| 3592978, | |||
| 3796840, | |||
| 3922725, | |||
| 3984636, | Mar 06 1975 | Koss Corporation | Quadraphonic headphone with ambience programmer |
| 3984885, | Mar 15 1974 | Matsushita Electric Industrial Co., Ltd. | 4-Channel headphones |
| 3993161, | Oct 08 1975 | Acoustic headsets | |
| 3993879, | Mar 24 1975 | Acoustical communications headset | |
| 3999020, | Oct 29 1975 | Koss Corporation | Transducer with variable frequency response |
| 4020297, | Jan 15 1976 | Adjustable headset | |
| 4025733, | Oct 09 1975 | American Electromedics Corporation | Pressure seal headband |
| 4029169, | Jan 28 1976 | BE AVIONICS, INC , A DE CORP | Acoustic yoke |
| 4058688, | May 27 1975 | Matsushita Electric Industrial Co., Ltd. | Headphone |
| 4065645, | Oct 26 1976 | Audiotronics Corporation | Headset |
| 4173715, | Jan 13 1978 | Acoustical device | |
| 4189788, | Mar 17 1978 | Grundig E.M.V. Elektro-Mechanische Versuchsanstalt | Headset |
| 4243851, | Jul 16 1979 | Ear cushioning device for headphones | |
| 4302635, | Jan 04 1980 | Koss Corporation | Headphone construction |
| 204886, | |||
| D244213, | Jun 11 1976 | Koss Corporation | Headphone earpiece |
| D244300, | Jun 11 1976 | Koss Corporation | Headphone |
| D244301, | Jun 11 1976 | Koss Corporation | Headphone earpiece |
| D246519, | Aug 22 1975 | Sansui Electric Co., Ltd. | Head phone |
| D255352, | Feb 06 1978 | Koss Corporation | Headphone |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jan 01 1900 | Bankers Trust Company | WMF CONTAINER CORPORATION, 2501 EAST MAGNOLIA PHOEIX, ARIZONA 85034 | RELEASED BY SECURED PARTY SEE DOCUMENT FOR DETAILS | 004584 | /0353 | |
| Dec 09 1980 | BESASIE JOSEPH C | Koss Corporation | ASSIGNMENT OF ASSIGNORS INTEREST | 003839 | /0886 | |
| Dec 12 1980 | Koss Corporation | (assignment on the face of the patent) | / | |||
| Sep 18 1984 | Koss Corporation | PRUDENTIAL INSURANCE COMPANY OF AMERICA, THE | SECURITY INTEREST SEE DOCUMENT FOR DETAILS | 004309 | /0508 | |
| Sep 18 1984 | Koss Corporation | PRUDENTIAL INTERFUNDING CORP , | SECURITY INTEREST SEE DOCUMENT FOR DETAILS | 004309 | /0508 | |
| Sep 18 1984 | Koss Corporation | M&I MARSHALL & ILSLEY BANK | SECURITY INTEREST SEE DOCUMENT FOR DETAILS | 004309 | /0508 | |
| Sep 18 1984 | Koss Corporation | FIRST NATIONAL BANK OF CHICAGO, THE | SECURITY INTEREST SEE DOCUMENT FOR DETAILS | 004309 | /0508 |
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