(under subclass 118.5) Structure in which the convenience or efficiency in carrying persons is enhanced (a) by the structure or arrangement of interior furnishing by which a person may be seated or may recline, or (b) by interior aids or amenities attached to or directed toward such furnishing or arrangement; e.g., attached or attachable dining service structure, particularly focused lighting or ventilation.
SEE OR SEARCH THIS CLASS, SUBCLASS:
118.5, principal subclass, for interior aids or amenities directed toward cabin space rather than focused on the individual seat or berth or arrangement thereof.
122, for details of the structure of an aircraft seat.