USD246374SExpiredUtility

Educational aid

6
Individually held — no corporate assignee on recordPriority: Feb 19, 1976Filed: Feb 19, 1976Granted: Nov 15, 1977
Est. expiryFeb 19, 1996(expired)· nominal 20-yr term from priority
Inventors:Dorothy L. RatcliffFord Ratcliff, Jr.
6
PatentIndex Score
0
Cited by
1
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an educational aid, as shown and described.

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