USD275334SExpiredUtility
Hard hat with solar-powered cooling means
Individually held — no corporate assignee on recordPriority: Jun 28, 1982Filed: Jun 28, 1982Granted: Sep 4, 1984
Est. expiryJun 28, 2002(expired)· nominal 20-yr term from priority
Inventors:Fred L. Pullin
69
PatentIndex Score
20
Cited by
6
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a hard hat with solar-powered cooling means, substantially as shown and described.
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