Universal stepping motor/gear train module for a wrist instrument
CA 1330707 C · Owner: Sedlak, Adolf · Inventors: Sedlak, Adolf; Stotz, Gerhard; Galie, Louis M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention comprises a universal stepping motor/gear train module for a wrist instrument having a frame plate a, bridge plate attached thereto and spaced therefrom a stepping, motor comprising rotor and stator disposed between said plates a reduction gear train having gear members coupled to be driven by the rotor and having coaxial output members adapted to receive analog hands, an input/output circuit board disposed in said frame plate and having a pair of power supply terminals thereon, said frame plate defining a recess large enough to receive at least a portion of a button energy cell and first, and second spring contact connectors having ends adapted to contact the terminals of the …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted July 19, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 19, 2011.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.