USD249555SExpiredUtility

Building structure

56
Assignee: AAI CORPPriority: Dec 29, 1976Filed: Dec 29, 1976Granted: Sep 19, 1978
Est. expiryDec 29, 1996(expired)· nominal 20-yr term from priority
Inventors:Irwin R. Barr
56
PatentIndex Score
5
Cited by
7
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a building structure, substantially as shown.

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