USD250227SExpiredUtility
Button
Individually held — no corporate assignee on recordPriority: Mar 31, 1977Filed: Mar 31, 1977Granted: Nov 14, 1978
Est. expiryMar 31, 1997(expired)· nominal 20-yr term from priority
Inventors:Daniel G. Baughman
41
PatentIndex Score
2
Cited by
0
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a button, as shown.
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