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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Details

CD14S168000

Design Patent

active

D0569840

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

REFERENCES:
patent: D444138 (2001-06-01), Ito et al.
patent: D466876 (2002-12-01), Usami et al.
patent: D479519 (2003-09-01), Hisatsune
patent: D483728 (2003-12-01), Kim
patent: D484473 (2003-12-01), Johansson et al.
patent: D494150 (2004-08-01), Wu
patent: D502696 (2005-03-01), Ishibashi
patent: D509811 (2005-09-01), Usami et al.
patent: D530689 (2006-10-01), Ishibashi
patent: D531151 (2006-10-01), Yoshida
patent: D531590 (2006-11-01), Maeyama
patent: 3550873 (2005-08-01), None
patent: D1120307 (2001-09-01), None
patent: D1183527 (2003-09-01), None
patent: D1200280 (2004-03-01), None

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