.~.~> Liquid in contact with solid (e.g., water and lime) {1}
DEFINITION
Classification: 126/263.01
Chemical:
(under the class definition) Subject matter comprising an apparatus for applying heat resulting from a first substance being brought into contact with a second substance, thereby, generates a chemical reaction which produces heat without producing a flame.
SEE OR SEARCH THIS CLASS, SUBCLASS:
204+, for body warmers, the containers of which are of particular configuration or structure for adaptation to the body.
SEE OR SEARCH CLASS
44, Fuel and Related Compositions,
250+, for flammables or glowless fuel compositions, per se, and in containers used for packaging or transportation only and subclasses 901+ for a collection of patents having heating means combined with exemplary material to be heated.
62, Refrigeration,
4, for means using a chemical reaction to produce a refrigeration effect. 122, Liquid Heaters and Vaporizers,
21, for boilers having chemical heaters.
132, Toilet,
220, for hair curlers including chemical heaters.
149, Explosive and Thermic Compositions or Charges,
appropriate subclasses for explosive compositions and particularly
37+, for compositions containing a metallic fuel and an oxygen supplying compound.
166, Wells,
58, for a chemical heater adapted for use in a well.
228, Metal Fusion Bonding,
56.1+, for a single or plural layer metal article useful as a filler material in a metal fusion bonding operation combined with a thermic segment.
252, Compositions, 70, for reversibly exothermic-endothermic compositions, per se, and in containers used for packaging or transportation only.
426, Food or Edible Material: Processes, Compositions, and Products,
113+, for a package of food combined with means to heat the food.
