Patent
   D948471
Priority
Aug 12 2019
Filed
Feb 04 2020
Issued
Apr 12 2022
Expiry
Apr 12 2037
Assg.orig
Entity
unknown
7
38
n/a
The ornamental design for a headphone, as shown and described.

FIG. 1 is a perspective view of a headphone showing our new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

Lin, Li, Chen, Chun-Ta, Chen, Chun-Yu, Chang, Hao-Ming, Lin, Ker-Wei, Liu, Feng-Ming

Patent Priority Assignee Title
ER1538,
ER3118,
ER6079,
ER7472,
ER8347,
ER855,
ER927,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 31 2020Lin, LiAcer IncorporatedASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0517060046 pdf
Jan 31 2020LIN, KER-WEIAcer IncorporatedASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0517060046 pdf
Jan 31 2020CHEN, CHUN-TAAcer IncorporatedASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0517060046 pdf
Jan 31 2020CHEN, CHUN-YUAcer IncorporatedASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0517060046 pdf
Jan 31 2020CHANG, HAO-MINGAcer IncorporatedASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0517060046 pdf
Jan 31 2020LIU, FENG-MINGAcer IncorporatedASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0517060046 pdf
Feb 04 2020Acer Incorporated(assignment on the face of the patent)
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