DIFF Subgroup
G02B 5/128 transparent spheres being embedded in matrix
Introduced: July 1974
Full Title
Full titles differ between systems:
IPC:
Optical elements other than lenses > Reflex reflectors > including curved refracting surface > transparent spheres being embedded in matrix
CPC:
Optical elements other than lenses (light guides G02B6/00; optical logic elements G02F3/00) > Reflex reflectors > including curved refracting surface > transparent spheres being embedded in matrix
No child classifications to compare. This is a leaf node in both IPC and CPC.