DIFF Subgroup
E04C 3/292 the materials being wood and metal
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Structural elongated elements designed for load-supporting > Joists; Girders, trusses, or truss-like structures, e.g. prefabricated; Lintels; Transoms > built-up from parts of different materials > the materials being wood and metal
CPC:
Structural elongated elements designed for load-supporting (as building aids E04G) > Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; (E04C3/38 takes precedence; for structures characterised by movable, separable, or collapsible parts E04B1/343; ) > built-up from parts of different material, > the materials being wood and metal
No child classifications to compare. This is a leaf node in both IPC and CPC.