USD511215SExpiredUtility

Precast concrete bridge unit

71
Assignee: CON SPAN BRIDGE SYSTEMS LTDPriority: Nov 19, 2004Filed: Nov 19, 2004Granted: Nov 1, 2005
Est. expiryNov 19, 2024(expired)· nominal 20-yr term from priority
Inventors:Lynne A. Vaia
71
PatentIndex Score
27
Cited by
9
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design of a precast concrete bridge unit, as shown and described.

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