USD312216SExpiredUtility
Digital aquarium thermometer
Individually held — no corporate assignee on recordPriority: Jun 22, 1988Filed: Jun 22, 1988Granted: Nov 20, 1990
Est. expiryJun 22, 2008(expired)· nominal 20-yr term from priority
66
PatentIndex Score
20
Cited by
3
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a digital aquarium thermometer, as shown and described.
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