USD338449SExpiredUtility

Exterior surface of a heat sink

Individually held — no corporate assignee on recordPriority: Jul 25, 1991Filed: Jul 25, 1991Granted: Aug 17, 1993
Est. expiryJul 25, 2011(expired)· nominal 20-yr term from priority
88
PatentIndex Score
80
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an exterior surface of a heat sink, as shown and described.

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