USD253289SExpiredUtility

Control knob for audio apparatus

Assignee: SANSUI ELECTRIC COPriority: Feb 24, 1977Filed: Jun 29, 1977Granted: Oct 30, 1979

Est. expiryFeb 24, 1997(expired)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The ornamental design for a control knob for audio apparatus, as shown and described.

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