USD333632SExpiredUtility

Unit for preventing the use of an electronic appliance during certain time intervals

Assignee: OH SOO-YOUNGPriority: Nov 9, 1990Filed: Nov 9, 1990Granted: Mar 2, 1993

Est. expiryNov 9, 2010(expired)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The ornamenal design for an unit for preventing the use of an electronic appliance during certain time intervals, as shown and described.

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