DIFF Subgroup
E01C 1/02 Crossings, junctions or interconnections between roads on the same level
Introduced: September 1968
Title
Titles differ between systems:
IPC: Crossings, junctions, or interconnections between roads on the same level
CPC: Crossings, junctions or interconnections between roads on the same level
Full Title
Full titles differ between systems:
IPC:
Design or layout of roads, e.g. for noise abatement, for gas absorption > Crossings, junctions, or interconnections between roads on the same level
CPC:
Design or layout of roads, e.g. for noise abatement, for gas absorption (design or layout of sports grounds A63C19/00; design or layout of airfields B64F ) > Crossings, junctions or interconnections between roads on the same level
No child classifications to compare. This is a leaf node in both IPC and CPC.