USD348015SExpiredUtility

Obstruction square

26
Individually held — no corporate assignee on recordPriority: Jul 6, 1993Filed: Jul 6, 1993Granted: Jun 21, 1994
Est. expiryJul 6, 2013(expired)· nominal 20-yr term from priority
Inventors:Henry D. DurstSteve A. Sheehan
26
PatentIndex Score
5
Cited by
9
References
1
Claims

Claims

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

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