B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 21/13 (2006.01) B27L 5/00 (2006.01) E04C 2/10 (2006.01) E04C 2/40 (2006.01) E04F 13/076 (2006.01) E04F 15/04 (2006.01)
Patent
CA 2596576
A structure comprising a softwood-ceiling/hardwood-floor formed of a single set of adjacent boards. Each of the boards including a hardwood layer bonded to a softwood layer, the board having a first edge and a second edge, the first edge having a tongue, the second edge having a groove, the first edge having a first chamfer on the softwood layer, the second edge having a second chamfer on the softwood layer. All boards securely attached to carrying beams that span the walls between two levels within a building.
Stanhope Thomas Spencer
Stikeman Elliott Llp
LandOfFree
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