By Movement Of Other Objects, E.g., By Opening A Handbag, By Opening A Case, By Opening A Door, Etc; Winding Up By Wind Power [g04b 5/20] Patents (Class 968/62)

Cross-Reference Art Collections

By liquids or gases (driven by liquids or gases subclass 21; winding up by pneumatic motor subclass 39; winding up by electrothermal or electro-pneumatic driving means subclass 427; driving of the clockwork by such means subclass 495) [g04b 5/20d] (Class 968/63)

By rotating axles, e.g., tachometers (direct drive of the clockwork, e.g., without winding up of a spring or the like by a rotating axle, etc. subclass 68; combination with measuring instruments in general subclass 411) [g04b 5/20f] (Class 968/64)

There are no patents to show for this class.