Supervision Of The State Of Winding, E.g., Indicating The Amount Of Winding, Etc, [g04b 9/00] Patents (Class 968/69)

Cross-Reference Art Collections

By optical indication of the amount of winding [g04b 9/00b] (Class 968/70)
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] (Class 968/71)

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