(under subclass 244.1) A process comprising (1) using nuclear energy or (2) using radioactivity of a substance to effect some treating operation (e.g., heating the formation, etc.).
(1) Note. Nuclear energy in this subclass is energy created by an induced nuclear reaction as described in the class definition of Class 376, Induced Nuclear Reactions: Processes, Systems, and Elements. Patents which claim well processes which recite a nuclear reactor or details of the nuclear explosive are provided for in Class 376, subclasses 273+.
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248, for a process involving using electromagnetic waves to treat the earth by heating it.
