USD451589SExpiredUtility
Turning ends for heat exchangers
Est. expiryJun 8, 2020(expired)· nominal 20-yr term from priority
Inventors:Magnus Axelsson
29
PatentIndex Score
5
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4
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1
Claims
Claims
exact text as granted — not AI-modifiedI claim the ornamental design for the turning ends for heat exchangers, as shown and described.
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