USD345598SExpiredUtility

Window mounted heat exchange unit

Individually held — no corporate assignee on recordPriority: Aug 7, 1991Filed: Aug 7, 1991Granted: Mar 29, 1994
Est. expiryAug 7, 2011(expired)· nominal 20-yr term from priority
11
PatentIndex Score
1
Cited by
7
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a window mounted heat exchange unit, as shown.

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