US PATENT SUBCLASS 604 / 379
.~.~.~ Compressed layer

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}
378  DF  .~.~ Containing layers having differing absorption characteristics (e.g., flow control, wicking, etc.) {3}
379.~.~.~ Compressed layer {1}
380  DF  .~.~.~.~> Having discontinuous areas of compression

DEFINITION

Classification: 604/379

Compressed layer:

(under subclass 378) Subject matter wherein a layer of the collecting means has been subjected to a reduction in volume or thickness due to the application of pressure to said layer.

(1) Note. Patents in this subclass disclose layers of material of the absorbent pad which have been compressed in order to reduce the thickness or over all volume of the absorbent pad particularly when such pads are composed of multiple layers of materials or composed of one or more layers of bulky materials.