USD315206SExpiredUtility
Heating/cooling vent cover
Individually held — no corporate assignee on recordPriority: Dec 7, 1988Filed: Dec 7, 1988Granted: Mar 5, 1991
Est. expiryDec 7, 2008(expired)· nominal 20-yr term from priority
Inventors:Deborah E. Sisk
19
PatentIndex Score
3
Cited by
5
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a heating/cooling vent cover, as shown and described.
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