Gas lift umbilical cable and termination assemblies therefor
CA 2377818 A1 · Owner: Davis, Alva W. · Inventors: Fraser, Dana John; Davis, Alva W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A gas lift umbilical (10) including a flexible pipe (14) having a collapse resistant wall (12) and a first sealing layer (15) formed on an interior surface of the collapse resistant wall (12). The interior surface defines a longitudinal passage. A flexible gas lift hose (16) is mounted within the longitudinal passage extending from a first end of the flexible pipe (14) to a second end thereof. A first fitting (104) is attached to the collapse resistant wall (12) of the flexible pipe (14) at a first end thereof. A second fitting (106) is attached to the collapse resistant wall (12) of the flexible pipe (14) at a second end thereof. A first adapter joins a first end of the gas lift …
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 June 30, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 30, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 30, 2022.
- 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.