US PATENT SUBCLASS 428 / 321.1
.~.~ Constituent is in liquid form

Current as of: June, 1999
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428 /   HD   STOCK MATERIAL OR MISCELLANEOUS ARTICLES

221  DF  WEB OR SHEET CONTAINING STRUCTURALLY DEFINED ELEMENT OR COMPONENT {9}
320.2  DF  .~ Composite having a component wherein a constituent is liquid or is contained within preformed walls (e.g., impregnant-filled, previously void containing component, etc.) {3}
321.1.~.~ Constituent is in liquid form {2}
321.3  DF  .~.~.~> Ink in pores
321.5  DF  .~.~.~> Encapsulated liquid

DEFINITION

Classification: 428/321.1

Constituent is in liquid form:

(under subclass 320.2) Subject matter wherein a component contains a material which is a liquid at ambient temperature or is a liquid at the conditions under which the product is used.

(1) Note. A liquid for purposes of this subclass is a material of definite volume which takes the shape of its container at ambient temperature or temperature of use of the claimed product. It includes collodial dispersions in which liquid is the continuous or dispersant phase.