USD272470SExpiredUtility

Air supported structure

49
Individually held — no corporate assignee on recordPriority: Dec 30, 1981Filed: Dec 30, 1981Granted: Jan 31, 1984
Est. expiryDec 30, 2001(expired)· nominal 20-yr term from priority
Inventors:Michael A. Thompson
49
PatentIndex Score
6
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an air supported structure, as shown.

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