USD261432SExpiredUtility

Emergency shelter for underground installation

Individually held — no corporate assignee on recordPriority: Mar 13, 1980Filed: Mar 13, 1980Granted: Oct 20, 1981

Est. expiryMar 13, 2000(expired)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The ornamental design for an emergency shelter for underground installation, substantially as shown and described.

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