USD306756SExpiredUtility
Plunger
Individually held — no corporate assignee on recordPriority: Jan 27, 1987Filed: Jan 27, 1987Granted: Mar 20, 1990
Est. expiryJan 27, 2007(expired)· nominal 20-yr term from priority
Inventors:Jeanine F. Isakson
38
PatentIndex Score
7
Cited by
5
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a plunger, as shown.
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