Different Kinds Of Date Indicating Mechanism, E.g., With Discs And Drums, Or Drums, And Bands, Etc. [g04b 19/24g] Patents (Class 968/201)
Cross-Reference Art Collections
- The indicating devices are driven stepwise by the clockwork [G04B 19/24G7D] (Class 968/204)
- The indicating devices are driven by successive steps by means of a charged energy source and freed at a determined moment by the clockwork [G04B 19/24G7F] (Class 968/205)
- The indicating devices are driven by their own energy source which is freed at regular intervals [G04B 19/24G7G] (Class 968/206)
There are no patents to show for this class.