USD423088SExpiredUtility

Plastic apron endwall for highway underdrain

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Assignee: MIDWEST PLASTIC MAT INCPriority: Apr 29, 1998Filed: Apr 29, 1998Granted: Apr 18, 2000
Est. expiryApr 29, 2018(expired)· nominal 20-yr term from priority
Inventors:Gary A. Fish
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PatentIndex Score
3
Cited by
8
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a plastic apron endwall for highway underdrain, as shown and described.

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