Leak testing device
CA 2387641 A1 · Owner: Inflow Products, Inc. · Inventors: Pampinella, Joseph A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A leak testing device includes a generally cylindrical elongated sealing gasket which defines a recess therethrough. The gasket includes first and second end portions for receiving the respective ends of two adjacent conduits. A shoulder portion extends radially into the recess for supporting a diaphragm member thereon. The diaphragm member includes a diameter substantially corresponding to the diameter of the recess. In a preferred embodiment the, diaphragm member is made integral with the gasket. A hole is provided in the diaphragm member which can be selectively opened or closed by a valve assembly provided on the diaphragm member to thereby permit or restrict the flow of a fluid …
Read the whole patent
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
- Filed May 28, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 28, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 28, 2024.
- 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.