DIFF Subgroup
F16B 15/06 with barbs, e.g. for metal parts; Drive screws
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Nails; Staples > with barbs, e.g. for metal parts; Drive screws
CPC:
Nails; Staples (surgical staples A61B17/064; manufacture of nails or staples B21G ; railway spikes E01B9/06) > with barbs, e.g. for metal parts; Drive screws
No child classifications to compare. This is a leaf node in both IPC and CPC.