USD270275SExpiredUtility
Air pre-cooler unit for air conditioners or the like
Est. expiryApr 14, 2001(expired)· nominal 20-yr term from priority
51
PatentIndex Score
7
Cited by
9
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for an air pre-cooler unit for air conditioners or the like, as shown and described.
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