DIFF Subgroup
F16J 15/12 with metal reinforcement or covering
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Sealings > between relatively-stationary surfaces > with solid packing compressed between sealing surfaces > with non-metallic packing > with metal reinforcement or covering
CPC:
Sealings > between relatively-stationary surfaces (F16J15/46, F16J15/48 take precedence) > with solid packing compressed between sealing surfaces > with non-metallic packing > with metal reinforcement or covering
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
Child Classifications
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