USD262809SExpiredUtility

Slant board

30
Individually held — no corporate assignee on recordPriority: Dec 14, 1979Filed: Dec 14, 1979Granted: Jan 26, 1982
Est. expiryDec 14, 1999(expired)· nominal 20-yr term from priority
Inventors:Walter D. RossowRobert W. Rossow
30
PatentIndex Score
3
Cited by
2
References
1
Claims

Claims

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

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