USD484494SExpiredUtility

Audio speaker cone

49
Assignee: ROCKFORD CORPPriority: Nov 19, 2002Filed: Nov 19, 2002Granted: Dec 30, 2003
Est. expiryNov 19, 2022(expired)· nominal 20-yr term from priority
Inventors:Siegfried Adam FeilLothar Karl Staudt
49
PatentIndex Score
12
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an audio speaker cone, as shown and described.

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