DIFF Subgroup
B29D 22/04 Spherical articles, e.g. balls (B29D22/02 takes precedence)
Introduced: January 2000
Title
Titles differ between systems:
IPC: Spherical articles, e.g. balls
CPC: Spherical articles, e.g. balls (B29D22/02 takes precedence)
Full Title
Full titles differ between systems:
IPC:
Producing hollow articles > Spherical articles, e.g. balls
CPC:
Producing hollow articles (tubular articles B29D23/00; pneumatic tyres B29D30/00) > Spherical articles, e.g. balls (B29D22/02 takes precedence)
No child classifications to compare. This is a leaf node in both IPC and CPC.