DIFF Subgroup
F15B 11/12 providing distinct intermediate positions; with step-by-step action
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Servomotor systems without provision for follow-up action > with only one servomotor > providing distinct intermediate positions; with step-by-step action
CPC:
Servomotor systems without provision for follow-up action; (F15B3/00 takes precedence) > with only one servomotor > providing distinct intermediate positions; with step-by-step action
CPC subdivides this area 3x more granularly than IPC with 2 additional codes.
2 codes are CPC-only extensions.
IPC defines codes here since 1995.
Child Classifications
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