USD307798SExpiredUtility
Humidifying chamber
Individually held — no corporate assignee on recordPriority: Nov 25, 1986Filed: May 26, 1987Granted: May 8, 1990
Est. expiryNov 25, 2006(expired)· nominal 20-yr term from priority
Inventors:Adrian John Elsworth
32
PatentIndex Score
3
Cited by
5
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a humidifying chamber, as shown and described.
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