USD344594SExpiredUtility
Attic ladder
Individually held — no corporate assignee on recordPriority: Jun 3, 1991Filed: Jun 3, 1991Granted: Feb 22, 1994
Est. expiryJun 3, 2011(expired)· nominal 20-yr term from priority
Inventors:Patrick F. Whitney
18
PatentIndex Score
3
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a attic ladder, as shown and described.
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