Microphone activation device

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Element or attachment

Design Patent

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Details

Design Patent

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D0524301

CLAIM:
The ornamental design for a microphone activation device, as shown and described.

REFERENCES:
patent: D236355 (1975-08-01), Yang
patent: D247235 (1978-02-01), Cote
patent: D247704 (1978-04-01), Schulman et al.
patent: D257144 (1980-09-01), McGourty
patent: D344522 (1994-02-01), Taniguchi
patent: D384072 (1997-09-01), Ng
patent: D448361 (2001-09-01), Bergfeldt
patent: D462945 (2002-09-01), Skulley
patent: D464952 (2002-10-01), Beraut et al.
patent: D465477 (2002-11-01), Beraut et al.
patent: D504420 (2005-04-01), Ham

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