US PATENT SUBCLASS 211 / 189
KNOCKDOWN

Current as of: June, 1999
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211 /   HD   SUPPORTS: RACKS

189KNOCKDOWN {5}
190  DF  .~> Vertically adjustable {2}
194  DF  .~> Stacked similar units
195  DF  .~> Foldable or collapsible {7}
205  DF  .~> Including central support (e.g., tree-like, etc.)
206  DF  .~> Horizontal rod between uprights

DEFINITION

Classification: 211/189

(under the class definition) Device wherein significance is attributed to a construction of a built-up open framework for supporting an article, which construction is readily assembled or erected to a form that is usable as an article support or is readily disassembled or collapsed to a form that is not so usable but occupies less space, any of the operations being capable of performance without the use of tools.

SEE OR SEARCH THIS CLASS, SUBCLASS:

186+, for a knockdown shelf rack. Also see the (1) Note to subclass 186 for a discussion of the phrase "without the use of tools", and of the terms "assembled", "erected", "disassembled" and "collapsed".

SEE OR SEARCH CLASS

99, Foods and Beverages: Apparatus,

449, for a collapsible, expansible or sectional food-cooking support.