USD303176SExpiredUtility
Detachable spool
Individually held — no corporate assignee on recordPriority: Jun 19, 1986Filed: Jun 19, 1986Granted: Sep 5, 1989
Est. expiryJun 19, 2006(expired)· nominal 20-yr term from priority
Inventors:Ta-Yi Huang
5
PatentIndex Score
0
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a detachable spool, as shown and described.
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