USD338524SExpiredUtility

Freezer ambient air exchange device

8
Assignee: ALLESTAD LARSPriority: Apr 24, 1992Filed: Apr 24, 1992Granted: Aug 17, 1993
Est. expiryApr 24, 2012(expired)· nominal 20-yr term from priority
Inventors:Lars AllestadOscar Allestad
8
PatentIndex Score
1
Cited by
1
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a freezer ambient air exchange device, as shown and described.

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