USD450684SExpiredUtility

Microphone filter

Priority: Nov 15, 2000Filed: Nov 15, 2000Granted: Nov 20, 2001

Est. expiryNov 15, 2020(expired)· nominal 20-yr term from priority

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Claims

exact text as granted — not AI-modified

The ornamental design for a microphone filter, as shown and described.

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