USD274948SExpiredUtility

Modular grid surfacing unit

90
Individually held — no corporate assignee on recordPriority: Apr 21, 1982Filed: Apr 21, 1982Granted: Jul 31, 1984
Est. expiryApr 21, 2002(expired)· nominal 20-yr term from priority
Inventors:Larry B. SwansonDan Kotler
90
PatentIndex Score
54
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a modular grid surfacing unit, as shown and described.

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