DIFF Subgroup
F01L 5/04 with cylindrical, sleeve, or part-annularly shaped valves
Introduced: September 1968
Title
Titles differ between systems:
IPC: with cylindrical, sleeve, or part-annularly-shaped valves
CPC: with cylindrical, sleeve, or part-annularly shaped valves
Full Title
Full titles differ between systems:
IPC:
Slide-valve gear or valve arrangements > with cylindrical, sleeve, or part-annularly-shaped valves
CPC:
Slide valve-gear or valve-arrangements (with pure rotary or oscillatory movement F01L7/00) > with cylindrical, sleeve, or part-annularly shaped valves
Of 2 combined children, 1 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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