In-ceiling speaker

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

Design Patent

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Details

CD14S216000

Design Patent

active

29257927

CLAIM:
The ornamental design for in-ceiling speaker, as shown and described herein.

REFERENCES:
patent: D247562 (1978-03-01), Walker et al.
patent: D292283 (1987-10-01), Matsuda et al.
patent: 4965837 (1990-10-01), Murayama et al.
patent: D497901 (2004-11-01), Farinelli
patent: D497902 (2004-11-01), Farinelli et al.
patent: D510084 (2005-09-01), Hasbrook

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