F16F 13/20 characterised by comprising also a pneumatic spring (F16F13/22, take precedence)
Introduced: January 1995
Title
Titles differ between systems:
IPC: characterised by comprising also a pneumatic spring
CPC: characterised by comprising also a pneumatic spring (F16F13/22, take precedence)
Full Title
Full titles differ between systems:
Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs > comprising both a plastics spring and a damper, e.g. a friction damper > the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper > characterised by comprising also a pneumatic spring
Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs (F16F5/00, take precedence) > comprising both a plastics spring and a damper, e.g. a friction damper > the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper (F16F13/26 takes precedence) > characterised by comprising also a pneumatic spring (F16F13/22, take precedence)
No child classifications to compare. This is a leaf node in both IPC and CPC.