of foam-like material , e.g. sponge rubber

Introduced: September 1968

Title

Titles differ between systems:

IPC: of foam-like material, e.g. sponge rubber

CPC: of foam-like material , e.g. sponge rubber

Full Title

Full titles differ between systems:

IPC:

Springs > made of plastics, e.g. rubber; made of material having high internal friction > of foam-like material, e.g. sponge rubber

CPC:

Springs (working with fluid F16F5/00, F16F9/00) > made of rubber or other material having high internal friction, > of foam-like material , e.g. sponge rubber

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