DIFF Subgroup
B28B 11/16 for extrusion
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Apparatus or processes for treating or working the shaped articles > for dividing shaped articles by cutting > for extrusion
CPC:
Apparatus or processes for treating or working the shaped articles (specially adapted for tubular articles B28B21/92; decoration or surface treatment in general B05, B44; compacting concrete in situ in connection with building E04G21/06; drying F26) > for dividing shaped articles by cutting > for extrusion
Of 4 combined children, 0 exist in both systems.
4 codes are CPC-only extensions.
Child Classifications
Navigate with arrow keys, Enter to open