US PATENT SUBCLASS 229 / 120
.~ With venting or ventilation means


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



229 /   HD   ENVELOPES, WRAPPERS, AND PAPERBOARD BOXES

100  DF  PAPERBOARD BOX {54}
120.~ With venting or ventilation means {1}
120.1  DF  .~.~> Live animal shipping box (e.g., chick box, etc.)


DEFINITION

Classification: 229/120

With venting or ventilation means:

(under subclass 100) Subject matter wherein the box comprises either (a) means for relieving positive or negative pressure inside the box or (b) means which allows circulation of fluid (e.g., air) into and out of the box.

SEE OR SEARCH CLASS

55, Gas Separation,

385, for an apparatus for separating a gas from a mixture of gas and solid particles which is combined with a vented box.

217, Wooden Receptacles,

42, and 74 for ventilation of receptacles of that class type. [figure]