USD344144SExpiredUtility

Laminated shingle

90
Assignee: ELK CORP DALLASPriority: Sep 18, 1991Filed: Sep 18, 1991Granted: Feb 8, 1994
Est. expirySep 18, 2011(expired)· nominal 20-yr term from priority
Inventors:Casimir Paul WeaverMatti KiikWilliam J. Schultz
90
PatentIndex Score
35
Cited by
14
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for laminated shingle, as shown and described.

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