Constructional features providing for lubrication

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Pistons; Trunk pistons; Plungers > Constructional features providing for lubrication

CPC:

Pistons; Trunk pistons; Plungers (bellows pistons F16J3/06; piston-rings or seats therefor F16J9/00; ; rotary pistons, e.g. for "Wankel" type engines F01C; specific for combustion engines, i.e. constructed to withstand high temperature or modified for guiding, igniting, vaporising or otherwise treating the charge F02F; ; pumps F04B; floats F16K33/00) > Constructional features providing for lubrication

No child classifications to compare. This is a leaf node in both IPC and CPC.