US PATENT SUBCLASS 297 / 250.1
SUPPLEMENTAL SEAT (E.G., CHILD SEAT, ETC.)

Current as of: June, 1999
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297 /   HD   CHAIRS AND SEATS

250.1SUPPLEMENTAL SEAT (E.G., CHILD SEAT, ETC.) {8}
251  DF  .~> Armrest-supported
252  DF  .~> Fore or aft board straddling clamps
253  DF  .~> Secured by bottom-back crevice
254  DF  .~> Back-connected {1}
256.1  DF  .~> Adjustable to plural operative positions {4}
256.15  DF  .~> Having a front guard or barrier
256.16  DF  .~> Detachably mounted to a support base
256.17  DF  .~> For shopping cart

DEFINITION

Classification: 297/250.1

SUPPLEMENTAL SEAT (E.G., CHILD SEAT, ETC.):

(under the class definition) Device configured to be detachably mounted to an occupant-engaging surface of a seating device.

(1) Note. Supplemental pads having ventilating means are excluded from this subclass. See search notes under this subclass for such structures.

SEE OR SEARCH THIS CLASS, SUBCLASS:

216.11, for a supplemental child seat having a means for absorbing a force acting on the seating device, wherein the acting force may have resulted from a sudden acceleration or deceleration of a vehicle.

219.1+, for a detachable pad or cover having an attaching means for connecting it to an occupant-engaging surface of a seating device, and 219.12 for a supplemental pad for a child's seat.

230.1+, for a supplemental back.

352, for a portable back with a bottom attacher.

452.43+, for supplemental pad having ventilating means. SEE OR SEARCH CLASS

4, Baths, Closets, Sinks, and Spittoons,

239, for an aperture seat either superposed over another aperture seat, or provided with a means to connect it to another aperture seat; subclasses 578.1+ for a seat detachably connected to a bathing tub.