definitions in one language, for a certain version and language
edition of IPC to which these definitions belong
Language of the definitions
hierarchical element for storing definitions related to a section
Sections do not have definitions
hierarchical element for storing definitions related to a class
Classses may have definitions.
hierarchical element for storing definitions related to a subclass.
A IPCDefinitionsSubclass usually has definitions, and can contain definitions for (some of) its maingroups, stored under the IPCDefinitionsMaingroup elements.
hierarchical element for storing definitions related to a maingroup.
While it is not mandatory to have definition for the main group, embedded subgroups may have their own definition.
flat list of subgroups
wrapper of the definition of the group
A subgroup must have exactly one definition.
an independent IPC definition
non-specified symbol denotes IPC-wide, global definitions (terms)
one or more reference tables
synonyms and keywords often used in patent documents