US PATENT SUBCLASS 280 / 648
.~.~.~.~ Convertible

Current as of: June, 1999
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280 /   HD   LAND VEHICLES

29  DF  WHEELED {21}
638  DF  .~ Extensible {6}
639  DF  .~.~ Folding {7}
647  DF  .~.~.~ Wheeled chair, stroller, or baby carriage {3}
648.~.~.~.~ Convertible

DEFINITION

Classification: 280/648

(under subclass 647) Folding vehicles designed to provide a secondary function different from that of a primary function by the addition, subtraction or rearrangement of parts, e.g., carriage to stroller or bed to seat.