USD274256SExpiredUtility

End cap for heat exchangers

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Assignee: LANGE DAVIDPriority: Nov 5, 1980Filed: Nov 5, 1980Granted: Jun 12, 1984
Est. expiryNov 5, 2000(expired)· nominal 20-yr term from priority
Inventors:David LangeLeland Lange
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PatentIndex Score
2
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2
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1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a end cap for heat exchangers, as shown and described.

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