USD490533SExpiredUtility

Concrete tunnel for a rapid transit train

Assignee: CON SPAN BRIDGE SYSTEMS LTDPriority: Jan 24, 2003Filed: Jan 24, 2003Granted: May 25, 2004

Est. expiryJan 24, 2023(expired)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The ornamental design of a concrete tunnel for a rapid transit train, as shown and described.

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