Mercury inertial transducer, a unit including the transducer and its support and a light-emitting deceleration and stopping indicator for motor vehicles, incorporating the transducer
CA 1322669 C · Owner: B.P.T. S.P.A. · Inventors: Plozner, Lisio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The transducer (10) includes a casing (12) which defines an essentially L-shaped cavity having a substantially horizontal lower arm (16) and a substantially vertical ascending arm (18); a volume of mercury (A) which, in the rest condition occupies the, lower arm (16) and essentially does not occupy the ascending arm (18); an input electrode (30) which penetrates the lower arm (16) from the outside and is permanently immersed in the mercury (A) and a series, of separate output electrodes (281 ... 287) which are spaced along the ascending arm (18) and can be reached in succession by the mercury (A) when it rises in the ascending arm (18) due to an inertial force directed along the lower arm …
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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 October 5, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 5, 2010.
- 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.