USD270661SExpiredUtility
Evaporative cooler
Individually held — no corporate assignee on recordPriority: Apr 3, 1981Filed: Apr 3, 1981Granted: Sep 20, 1983
Est. expiryApr 3, 2001(expired)· nominal 20-yr term from priority
Inventors:Julian K. Pettengill
23
PatentIndex Score
3
Cited by
8
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for an evaporative cooler, as shown and described.
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