US PATENT SUBCLASS 52 / 232
IRREVERSIBLY REACTIVE COMPONENT


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

Internet Version by PATENTEC © 1999      Terms of Use



52 /   HD   STATIC STRUCTURES (E.G., BUILDINGS)

232IRREVERSIBLY REACTIVE COMPONENT


DEFINITION

Classification: 52/232

(under the class definition) Structure including (1) a component in one layer which reacts chemically with a component of another layer or (2) a component which irreversibly changes in physical or chemical structure other than a mere dimensional change with variations in ambient conditions, e.g., heat or moisture.

SEE OR SEARCH THIS CLASS, SUBCLASS:

1, for means responsive to a condition to control movement of

a component.

573, for a structure allowing mere expansion or contraction in response to a change in an ambient condition.

SEE OR SEARCH CLASS

106, Compositions: Coating or Plastic, 15.05+, for a fireproofing, biocidal or antifouling composition there provided for.

252, Compositions,

2+, for a fire extinguishing composition there provided for.

285, Pipe Joints and Couplings,

2+, for pipe joints with safety release and subclass 187 for temperature responsive pipe joints.

428, Stock Material or Miscellaneous Articles,

920+, (a cross- reference art collection) for a product having a heat or fire protective coating or impregnation.