E - Fixed Constructions – 04 – F
Patent
E - Fixed Constructions
04
F
72/113
E04F 11/14 (1990.01)
Patent
CA 2040347
TITLE PREFORMED CONCRETE STEP KIT ABSTRACT A kit is provided which comprises mutually unattached ones of an at least one stair stringer panel, an at least one stair riser panel, and an at least one stair tread panel. Each of these panels is independently preformed from concrete material. The stringer panel is adapted to receive the tread and riser panels in at least partially supported relation thereon, with an at least one of the riser and tread panels be co-joinable in tensioned relation with the stringer panel.
Hoogendoorn Albert L.
Kerr James W.
LandOfFree
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