USD280320SExpiredUtility
Twisted-fin heat sink for electrical devices
Est. expiryJul 29, 2003(expired)· nominal 20-yr term from priority
Inventors:Alfred F. Mccarthy
60
PatentIndex Score
7
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6
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1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a twisted-fin heat sink for electrical devices, substantially as shown.
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