USD253875SExpiredUtility
Drawing instrument
Individually held — no corporate assignee on recordPriority: Jul 15, 1977Filed: Jul 15, 1977Granted: Jan 8, 1980
Est. expiryJul 15, 1997(expired)· nominal 20-yr term from priority
Inventors:Joseph M. Boarman
18
PatentIndex Score
0
Cited by
2
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a drawing instrument, as shown and decribed.
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