(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.
