Portable handsfree earphone

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Speaker or housing therefor

Design Patent

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Design Patent

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D0463397

CLAIM:
The ornamental design for a portable handsfree earphone, as shown and described.

REFERENCES:
patent: D316550 (1991-04-01), Sogabe
patent: D318670 (1991-07-01), Taniguchi
patent: D337118 (1993-07-01), Seikita
patent: D337589 (1993-07-01), Wada
patent: D369349 (1996-04-01), Hayashi
patent: D371368 (1996-07-01), Hayashi
patent: D375500 (1996-11-01), Bungardt et al.
patent: D430139 (2000-08-01), Peters et al.
patent: D430547 (2000-09-01), Yoon

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