USD299655SExpiredUtility

Concrete form

Individually held — no corporate assignee on recordPriority: Aug 8, 1985Filed: Aug 8, 1985Granted: Jan 31, 1989
Est. expiryAug 8, 2005(expired)· nominal 20-yr term from priority
15
PatentIndex Score
0
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a concrete form, as shown.

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