USD332607SExpiredUtility

Speaker box with built in amplifier

Assignee: SONY CORPPriority: Feb 9, 1990Filed: Jul 31, 1990Granted: Jan 19, 1993
Est. expiryFeb 9, 2010(expired)· nominal 20-yr term from priority
Inventors:Akira Yamazaki
69
PatentIndex Score
13
Cited by
7
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a speaker box with built in amplifier, as shown.

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