Combined speaker, amplifier and microphone

Details Combined speaker, amplifier and microphone Combined speaker, amplifier and microphone

2007-03-13

2007-03-13

Deshmukh, Prabhakar (Department: 2912)

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Radio receiver, tuner or amplifier, or housing therefor

CD14S265000

Design Patent

active

29244725

CLAIM:
The ornamental design for a combined speaker, amplifier and microphone, as shown.

REFERENCES:
patent: D167828 (1952-09-01), Florac
patent: 3514539 (1970-05-01), Jespersen
patent: 3860755 (1975-01-01), Kimbell et al.
patent: D321880 (1991-11-01), Emmerling
patent: D358147 (1995-05-01), Siddoway et al.
patent: 5546273 (1996-08-01), Harris
patent: D379809 (1997-06-01), Lindeman
patent: D398605 (1998-09-01), Murray et al.
patent: 6028945 (2000-02-01), Gayle
patent: D478059 (2003-08-01), Oikawa
patent: D506209 (2005-06-01), Leong

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