USD512513SExpiredUtility

Concrete bridge and headwall unit

62
Assignee: CON SPAN BRIDGE SYSTEMS LTDPriority: Sep 15, 2004Filed: Sep 15, 2004Granted: Dec 6, 2005
Est. expirySep 15, 2024(expired)· nominal 20-yr term from priority
Inventors:Daniel L. WasniakDavid M. Brodowski
62
PatentIndex Score
16
Cited by
3
References
1
Claims

Claims

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

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