DIFF Subgroup
F15B 11/18 used in combination for obtaining stepwise operation of a single controlled member
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Servomotor systems without provision for follow-up action > with two or more servomotors > used in combination for obtaining stepwise operation of a single controlled member
CPC:
Servomotor systems without provision for follow-up action; (F15B3/00 takes precedence) > with two or more servomotors > used in combination for obtaining stepwise operation of a single controlled member
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
Child Classifications
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