A - Human Necessities – 01 – G
Patent
A - Human Necessities
01
G
A01G 9/02 (2006.01) E02D 29/02 (2006.01) E04C 1/00 (2006.01)
Patent
CA 2357328
Retaining walls are formed from one or more tiers of concrete blocks. Top projections on all except the uppermost tier of blocks are received in recesses in the bottom of blocks in an adjacent upper tier. The top of the retaining wall may be finished with blocks which form a drainage ditch which extends along at least a portion of the top of the retaining wall. Blocks used in tiers below the uppermost tier may have troughs suitable for filling with soil and plants. The exposed faces of the blocks are textured and, optionally, may be colored to simulate the appearance of stone or rocks.
Manthei Benjamin R.
Manthei James A.
Redi-Rock International Llc
Smart & Biggar
LandOfFree
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