DIFF Subgroup
B21L 11/08 the ends being interengaged with other parts of the same link
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Making chains or chain links of special shape > each link being formed of a single member of which both ends are bent or shaped to engage the middle portion of the next link > the ends being interengaged with other parts of the same link
CPC:
Making chains or chain links of special shape > each link being formed of a single member of which both ends are bent or shaped to engage the middle portions of the next link > the ends being interengaged with other parts of the same link
No child classifications to compare. This is a leaf node in both IPC and CPC.