Capsule for detecting changes in the shape of a body wall
CA 1135525 A · Owner: Pye (Electronic Products) Limited · Inventors: Wright, Basil M.; Haire, Christopher A.R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
PHP 1242 1 19.3.80, ABSTRACT:, A capsule for detecting changes in the shape of a body wall. An apparatus for detecting and measuring changes in the shape of a body wall (7) includes a detector capsule (31) adapted for attachment to the wall and pneumatically connected to a volume transducer responsive to changes in the internal volume of the sensor produced by changes in shape of the wall. The internal volume of the capsule (31) is partially defined by a flexible diaphragm (32) for engagement and complementary movement with the wall (7) the capsule (31) also containing a body (36) of resiliently deformable material which presses the diaphragm (32) into contact with the wall (7) regardless …
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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 November 16, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 16, 1999.
- 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.