US PATENT SUBCLASS 297 / 423.41
.~.~ Self-supported

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

423.1  DF  REST FOR KNEE, LEG, OR FOOT {6}
423.39  DF  .~ Portable {2}
423.41.~.~ Self-supported {3}
423.42  DF  .~.~.~> Resiliently mounted
423.43  DF  .~.~.~> Rocker type
423.44  DF  .~.~.~> Adjustable to plural operative positions {2}

DEFINITION

Classification: 297/423.41

Self-supported:

(under subclass 423.39) Device wherein the rest unit is configured to independently support its own weight on a substantially horizontal surface; i.e., ground, floor.

SEE OR SEARCH THIS CLASS, SUBCLASS:

391+, for a padded stool capable of use as a footrest.

SEE OR SEARCH CLASS

182, Fire Escape, Ladder, or Scaffold,

129, for a worker's kneeling support combined with nonclass structure (e.g., receptacle), and subclass 230 for a worker's kneeling support, per se.

248, Supports,

127+, for a stand of general utility. 280, Land Vehicles,

32.6, for repairman's creeper or wheeled workman's kneeler.