between relatively-stationary surfaces (F16J15/46, F16J15/48 take precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: between relatively-stationary surfaces

CPC: between relatively-stationary surfaces (F16J15/46, F16J15/48 take precedence)

Full titles differ between systems:

IPC:

Sealings > between relatively-stationary surfaces

CPC:

Sealings > between relatively-stationary surfaces (F16J15/46, F16J15/48 take precedence)

Of 4 combined children, 3 exist in both systems.

1 codes are CPC-only extensions.

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F16J 15/021 +2 CPC CPC only CPC only
F16J 15/04 without packing between the surfaces, e.g. with ground surfaces, with cutting edge IPC+CPC Available in IPC and CPC
F16J 15/06 with solid packing compressed between sealing surfaces +5 CPC IPC+CPC Available in IPC and CPC
F16J 15/14 by means of granular or plastic material, or fluid IPC+CPC Available in IPC and CPC

Class F16,2013–2023, worldwide · Source: EPO PATSTAT

Class F16,2013–2023, worldwide · Source: EPO PATSTAT