Selective compressible control device for use by handicapped persons
CA 1065211 A · Owner: Carba S.A. · Inventors: Gabus, Jean-Claude
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to detecting or control devices for the control of utilisation circuits particularly by handicapped persons who can only moove their jaws. This device comprises a control member in a resiliently deformable material which comprises a central reinforced, non squeezable, passage and not reinforced radial passages. The central passage and the radial passages are connected together at one end of the control member. At the other end of the control member the central passage is connected to a supply unit and the radial passages to a measuring unit by means of flexible tubular connexions. A constant signal is fed in the central passage and the intensity of the return signals …
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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 30, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 30, 1996.
- 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.