US PATENT SUBCLASS 604 / 369
.~.~.~ Foam or cellular structure material

Current as of: June, 1999
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604 /   HD   SURGERY

317  DF  MEANS AND METHODS FOR COLLECTING BODY FLUIDS OR WASTE MATERIAL (E.G., RECEPTACLES, ETC.) {5}
358  DF  .~ Absorbent pad for external or internal application and supports therefor (e.g., catamenial devices, diapers, etc.) {13}
367  DF  .~.~ Containing particular materials, fibers, or particles {6}
369.~.~.~ Foam or cellular structure material

DEFINITION

Classification: 604/369

Foam or cellular structure material:

(under subclass 367) Subject matter wherein the collecting means contains a component which is in the form of a cellular or foamed product which contains pores, cavities, voids, intersticies, or fissures therein.

(1) Note. Patents for natural or synthetic sponges as well as products made from synthetic chemical foams (e.g., polyurethane, etc.) are classifiable in this subclass.

SEE OR SEARCH CLASS

521, Synthetic Resins or Natural Rubbers,

50+, for synthetic resin or natural rubber cellular material and the process of making said cellular material.