Patent
   D322071
Priority
Jan 27 1989
Filed
Jan 27 1989
Issued
Dec 03 1991
Expiry
Dec 03 2005
Assg.orig
Entity
unknown
31
4
n/a
The ornamental design for a headphone, as shown and described.

FIG. 1 is a top, front and right side perspective view of a headphone showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevational view thereof; and

FIG. 7 is a right side elevational view thereof.

Bergin, James T., Urella, Richard M.

Patent Priority Assignee Title
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D946551, Jul 01 2020 ZHONGTIAN DINGSHENG SHENZHEN INDUSTRY CO , LTD Earphone
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ER1847,
ER8662,
Patent Priority Assignee Title
3555207,
4754484, Aug 21 1986 ACS Communications, Inc. Convertible handset/headset for telephone
D254616, May 19 1977 Sansui Electric Co., Ltd. Head phone
D299337, Nov 24 1986 TCI ACQUISITION CORP ; TELEX COMMUNICATIONS, INC Headset
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 18 1989BERGIN, JAMES T DAVID CLARK COMPANY INCORPORATED, A MA CORP ASSIGNMENT OF ASSIGNORS INTEREST 0050350220 pdf
Jan 18 1989URELLA, RICHARD M DAVID CLARK COMPANY INCORPORATED, A MA CORP ASSIGNMENT OF ASSIGNORS INTEREST 0050350220 pdf
Jan 27 1989David Clark Company Incorporated(assignment on the face of the patent)
May 05 1992DAVID CLARK COMPANY, INCORPORATED, A MA CORP FLEET BANK OF MASSACHUSETTS, N A SECURITY INTEREST SEE DOCUMENT FOR DETAILS 0062410003 pdf
Mar 01 1995David Clark Company IncorporatedFLEET BANK OF MASSACHUSETTS, NATIONAL ASSOCIATIONAMENDMENT TO SECURITY AGREEMENT0073630300 pdf
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