Devices Controlled By Such State, E.g., Device Affording Protection Means Against Overwinding, Etc. (protecting Means Preventing Overwinding Arranged In Or On The Barrel Subclass 16; Protecting Means In Connection With Keys Or The Like Subclass 36; In Connection With Parts Of The Cases Subclass 38; In Connection With Automatic Winding Devices Subclass 66; Electric Winding Up Of Mechanical Clockworks Subclass 443) [g04b 9/02] Patents (Class 968/71)