DIFF Subgroup
E04F 17/08 for receiving utility lines, e.g. cables, pipes (covers giving access to the ducts or channels, covers of inspection holes E04F19/08)
Introduced: September 1968
Title
Titles differ between systems:
IPC: for receiving utility lines, e.g. cables, pipes
CPC: for receiving utility lines, e.g. cables, pipes (covers giving access to the ducts or channels, covers of inspection holes E04F19/08)
Full Title
Full titles differ between systems:
IPC:
Vertical ducts; Channels, e.g. for drainage > for receiving utility lines, e.g. cables, pipes
CPC:
Vertical ducts; Channels, e.g. for drainage (pipes in general F16L; pipe-line systems F17D ) > for receiving utility lines, e.g. cables, pipes (covers giving access to the ducts or channels, covers of inspection holes E04F19/08)
No child classifications to compare. This is a leaf node in both IPC and CPC.