USD315492SExpiredUtility

Combined thread regulating spool attachment and spool of thread therefor

42
Individually held — no corporate assignee on recordPriority: Feb 4, 1988Filed: Feb 4, 1988Granted: Mar 19, 1991
Est. expiryFeb 4, 2008(expired)· nominal 20-yr term from priority
Inventors:Leo B. Prihoda
42
PatentIndex Score
9
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a combined thread regulating spool attachment and spool of thread therefor, as shown.

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