Headphone

Details Headphone Headphone

2006-05-23

2006-05-23

Greene, Paula A. (Department: 2912)

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Element or attachment

Design Patent

active

D0521502

CLAIM:
The ornamental design for a headphone, as shown and described.

REFERENCES:
patent: 3868573 (1975-02-01), Holcomb et al.
patent: 4156117 (1979-05-01), Phillips
patent: 4633498 (1986-12-01), Warnke et al.
patent: D344522 (1994-02-01), Taniguchi
patent: D344524 (1994-02-01), Taniguchi
patent: 5617477 (1997-04-01), Boyden
patent: 5680465 (1997-10-01), Boyden
patent: 5687245 (1997-11-01), Boyden
patent: 5815579 (1998-09-01), Boyden
patent: D466100 (2002-11-01), Obata
patent: 1164092 (2003-01-01), None

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