USD315366SExpiredUtility

Writing board

Assignee: Vertiflex CompanyPriority: Nov 2, 1987Filed: Nov 2, 1987Granted: Mar 12, 1991
Est. expiryNov 2, 2007(expired)· nominal 20-yr term from priority
83
PatentIndex Score
34
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a writing board, as shown and described.

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