Pressure sensor apparatus for non-invasively communicating pressure inside a body to the exterior thereof
CA 1105286 A · Owner: Hittman Corporation · Inventors: Hittman, Fred
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A pressure sensor for indicating pressure in the animal or human body, such as intracranial pressure including, a housing, a bellows contained within the housing a body, pressure sensing tambour for placing the bellows in communication with pressure in the body so that the pressure will cause the bellows to move as a function of the pressure output means, such as a radioactive source and associated shielding contained, within the housing and associated with the bellows for providing an output which is a function of the movement of the bellows and a receiver, such as a radiation detector located external, to the body to receive the output and provide data indicative of the pressure in 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 21, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 21, 1998.
- 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.