USD313280SExpiredUtility

Modular block for retaining wall

80
Assignee: 719097 ONTARIO LTDPriority: Feb 20, 1989Filed: Feb 28, 1989Granted: Dec 25, 1990
Est. expiryFeb 20, 2009(expired)· nominal 20-yr term from priority
Inventors:Raymond RodenburghBrett A. MitchellEdward Bryant
80
PatentIndex Score
30
Cited by
34
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a modular block for retaining wall, as shown and described.

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