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PCE
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DIFF Subgroup
F01M 9/04

Use of fuel as lubricant

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups > Use of fuel as lubricant

CPC:

Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups F01M1/00 - F01M7/00 > Use of fuel as lubricant

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