Amplifier

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Radio receiver – tuner or amplifier – or housing therefor

Design Patent

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Design Patent

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29290022

CLAIM:
The ornamental design for an amplifier, as shown and described.

REFERENCES:
patent: D247495 (1978-03-01), Hoshino et al.
patent: D249946 (1978-10-01), Ohtomo
patent: D250534 (1978-12-01), Kato
patent: D250535 (1978-12-01), Kato
patent: D252810 (1979-09-01), Bocko
patent: D316716 (1991-05-01), Nagata
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patent: D383461 (1997-09-01), Ito et al.
patent: D416898 (1999-11-01), Takahashi
patent: D460063 (2002-07-01), Oikawa et al.
patent: D502696 (2005-03-01), Ishibashi
patent: D553117 (2007-10-01), Corsini
patent: D560689 (2008-01-01), Cho
patent: S-D1147362 (2002-07-01), None
patent: S-D1147782 (2002-07-01), None
patent: S-D1178008 (2003-06-01), None
patent: S-D1194568 (2004-01-01), None
patent: S-D1229067 (2005-01-01), None
patent: S-D1249842 (2005-09-01), None
patent: S-D1250105 (2005-09-01), None
patent: S-D1270815 (2006-05-01), None
Pioneer Multi-Channel Premain Amplifier (VSA-AX10/VSA-AX8), published Jan. 2002.
Pioneer Audio & Visual Products Catalog, published Nov. 2006.
Pioneer Home Entertainment Products Catalog 2002-2003, published 2002.
Pioneer Home Entertainment Guide 2000-2001, published 2000.

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