Class Information
Number: 280/43.1
Name: Land vehicles > Wheeled > Extensible > Vertically adjustable wheels > Tiltable vehicle stabilized by attendant or article
Description: Vehicle which the vehicle directly or contacting (1) is inherently unstable when in transport position but is stabilized by an attendant who propels and balances the vehicle by contacting a handle or harness attached to the vehicle, (2) is inherently unstable when in transport position, is adapted to be temporarily attached to articles to transport them and is stabilized by some outside force (such as an attendant or other vehicle) contacting the article, or (3) is inherently unstable when in transport position but adapted to be stabilized by temporary attachment to articles for transporting them either because more than one of the unstable vehicles of this subclass are temporarily attached to the article or because the article has other wheels.
Patents under this class:
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