USD288787SExpiredUtility
Protractor
Individually held — no corporate assignee on recordPriority: Aug 9, 1985Filed: Aug 9, 1985Granted: Mar 17, 1987
Est. expiryAug 9, 2005(expired)· nominal 20-yr term from priority
Inventors:Joseph O. Marcoline
6
PatentIndex Score
0
Cited by
10
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a protractor, as shown.
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