USD334404SExpiredUtility

Adjustable protective book cover

35
Individually held — no corporate assignee on recordPriority: Nov 1, 1990Filed: Nov 1, 1990Granted: Mar 30, 1993
Est. expiryNov 1, 2010(expired)· nominal 20-yr term from priority
Inventors:Michael J. Ostrowski
35
PatentIndex Score
3
Cited by
6
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an adjustable protective book cover, as shown and described.

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