Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Side-by-side terminus shafts; e.g. – truss
Patent
1980-05-19
1982-06-08
Perham, Alfred C.
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Side-by-side terminus shafts; e.g., truss
52693, E04C 3292
Patent
active
043332935
ABSTRACT:
A truss incorporates metallic webs of differing gages, and in protected positions between chord members, to enable its use as a floor joist.
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patent: 4016698 (1977-04-01), Rogers
patent: 4274241 (1981-06-01), Lindal
Haefliger William W.
Perham Alfred C.
Steel Web Corporation
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