US PATENT SUBCLASS 220 / 4.28
.~ Knockdown

Current as of: June, 1999
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220 /   HD   RECEPTACLES

4.01  DF  SECTIONAL {9}
4.28.~ Knockdown {4}
4.29  DF  .~.~> Sidewalls vertically hinged to each other
4.31  DF  .~.~> Sidewalls slide vertically to engage each other
4.32  DF  .~.~> Sidewall slides horizontally to engage the base
4.33  DF  .~.~> Removable fastening element {1}

DEFINITION

Classification: 220/4.28

Knockdown:

(under subclass 4.01) Receptacle wherein the sections are separate parts or have separate parts, such as a bottom wall and sidewalls, which can be readily assembled or disassembled (e.g., for shipping, storage, etc.).

SEE OR SEARCH CLASS

217, Wooden Receptacles,

12+, for a knockdown wooden box, and subclasses 43+ for a knockdown wooden crate.