USD274772SExpiredUtility
Collapsible tube winder
Individually held — no corporate assignee on recordPriority: Jun 15, 1981Filed: Jun 15, 1981Granted: Jul 24, 1984
Est. expiryJun 15, 2001(expired)· nominal 20-yr term from priority
Inventors:Donald R. Obland
81
PatentIndex Score
21
Cited by
3
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a collapsible tube winder, as shown and described.
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