DIFF Subgroup
F04B 1/0439 Supporting or guiding means for the pistons
Introduced: January 2020
Full Title
Full titles differ between systems:
IPC:
Multi-cylinder machines or pumps characterised by number or arrangement of cylinders > having cylinders in star- or fan-arrangement > Details or component parts > Supporting or guiding means for the pistons
CPC:
Multi-cylinder machines or pumps characterised by number or arrangement of cylinders (machines or pumps with pistons coacting within one cylinder F04B3/00) > having cylinders in star- or fan-arrangement > Details or component parts > Supporting or guiding means for the pistons
No child classifications to compare. This is a leaf node in both IPC and CPC.