USD318917SExpiredUtility
Distillation flask
Individually held — no corporate assignee on recordPriority: Nov 21, 1988Filed: Nov 21, 1988Granted: Aug 6, 1991
Est. expiryNov 21, 2008(expired)· nominal 20-yr term from priority
Inventors:Narbik A. Karamian
71
PatentIndex Score
13
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for the distillation flask, as shown and described.
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