(under subclass 69) Subject matter wherein an occupant seating means contains particular structure for admitting air to, exhausting air from, or circulating air about the ventilated space.
SEE OR SEARCH THIS CLASS, SUBCLASS:
907, for a cross-reference art collection of ventilating devices combined with seats.
SEE OR SEARCH CLASS
297, Chairs and Seats,
180.1+, for means to transfer heat primarily to or from the seat or means to subject the seat to fume smoke or the like.
