US PATENT SUBCLASS 297 / 353
MOVABLE BACK
Current as of: June, 1999
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DEFINITION
Classification: 297/353
(under the class definition) Device wherein means are provided to move or permit movement of the back relative to the other components of the seating device by means of an articulation of the back to the other components.
SEE OR SEARCH THIS CLASS, SUBCLASS:
16.1+, for relatively folding bottom, back, and legs which collapse to a nonuse position.
43, for a back combined with a bottom, foldable laterally against a fixed standard.
61, for relative, concurrent, interconnected movement of head rest and back.
68+, for a back interconnected to move relative to and concurrently with a leg rest.
92, for a seat having interchangeable and reversible bottom and back. 94+, for a back joined to a bottom so as to be movable to either the front or back of the bottom so that an occupant may selectively face forward or backward.
230.1+, for a substitute back movable as a unit from association with one primary back to association with another primary back.
250.1+, for a substitute bottom and a back movable as a unit from association with one subjacent primary bottom to association with another subjacent bottom.
285+, for a back movable against the action of a resilient means in operative position.
316+, for a bottom and back combination in which the back moves relative to a tilting bottom as the bottom tilts.
