USD307453SExpiredUtility

Fractional block set

15
Assignee: TANGIBLE CONCEPTS INCPriority: Jun 24, 1986Filed: Jun 24, 1986Granted: Apr 24, 1990
Est. expiryJun 24, 2006(expired)· nominal 20-yr term from priority
Inventors:Charles A. Russel
15
PatentIndex Score
2
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a fractional block set, as shown and described.

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