Self-amplified loudspeaker

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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D0531164

CLAIM:
The ornamental design for a self-amplified loudspeaker, as shown and described.

REFERENCES:
patent: D205663 (1966-09-01), Seebinger
patent: D249941 (1978-10-01), Bremseth
patent: D322253 (1991-12-01), Hsieh
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patent: 6614297 (2003-09-01), Score et al.
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patent: 2004/0161122 (2004-08-01), Nielsen
patent: 2004/0169552 (2004-09-01), Butler
patent: 2004/0232978 (2004-11-01), Easson et al.
Valcom, “V1030-C and V-1030C Paging Horn Amplifier Assemblies” Valcom Inc., 5614 Hollins Road, Roanoke VA 24019—pp. 1-4 (copy enclosed) undated.

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