CPC Subgroup
E06B 3/48 Wings connected at their edges, e.g. foldable wings
Full Title
Window sashes, door leaves, or like elements for closing openings; Layout of fixed or moving closures, e.g. windows ; Features of rigidly-mounted outer frames relating to the mounting of wing frames (E06B5/00 takes precedence; shutters or the like E06B9/00; glass panes C03) > Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing > Wings connected at their edges, e.g. foldable wings
2 direct subcodes
Child Classifications
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