DIFF Subclass Not Allocatable
E99Z SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION
Introduced: January 2006
Description
E99Z is a residual classification for inventions and technical subject matter related to fixed constructions that do not fit within the established IPC subclasses of Section E. It serves as a catch-all category for novel or unconventional technologies in civil engineering, building, and construction that lack a more specific classification home. Examiners should exhaust all relevant primary and subordinate classes in Section E before assigning E99Z.
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
IPC defines codes here since 2006.
Child Classifications
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- E99Z 99/00 Subject matter not otherwise provided for in this section since 2006 IPC+CPC Available in IPC and CPC