DIFF Subgroup
F02M 35/09 Clogging indicators
Introduced: January 1995
Full Title
Full titles differ between systems:
IPC:
Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines > Air cleaners > with means for removing dust from cleaners; with means for indicating clogging; with by-pass means > Clogging indicators
CPC:
Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines > Air cleaners > with means for removing dust, from cleaners; with means for indicating clogging; with by-pass means; > Clogging indicators
No child classifications to compare. This is a leaf node in both IPC and CPC.