USD420223SExpiredUtility

Wall structure

90
Assignee: LANDSCAPE FORMS INCPriority: Dec 23, 1998Filed: Dec 23, 1998Granted: Feb 8, 2000
Est. expiryDec 23, 2018(expired)· nominal 20-yr term from priority
Inventors:Robert G. ChipmanBrian J. KaneArno R. Yurk
90
PatentIndex Score
37
Cited by
17
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a wall structure, as shown and described.

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