specially adapted for frame members of wood or other material worked in a similar way (E06B3/99 takes precedence)

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 > Corner joints or edge joints for windows, doors, or the like frames or wings > specially adapted for frame members of wood or other material worked in a similar way

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) > Corner joints or edge joints for windows, doors, or the like frames or wings > specially adapted for frame members of wood or other material worked in a similar way (E06B3/99 takes precedence)