Sustainable and safe tube for supplying gaseous fuel such as lpg, ng or hythane
CA 2552167 C · Owner: Jackson, Terry L. · Inventors: Jackson, Terry L.; Pandey, Raj N.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An Impervious, Sustainable and Safe multi-layered tubing for conveying gaseous fuels such as Liquefied Petroleum Gas (LPG) Natural gas (NG) and Hythane for kitchen stoves and other appliances fitted with burners is disclosed. The thermoplastic tubing comprises inner, intermediate and outer layers. At least one of the layers of the layered tubing comprises Polyester; Polyethylene terephthalate (PET) in order to stop the permeation completely. The said polyester acts as a performance (barrier) layer. The performance PET layer is preferably constructed as Serpentine structure. The other inner, intermediate and outer layers of the gaseous fuel tubing are thermoplastic polymers in …
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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
- Filed July 6, 2006 and granted January 13, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 6, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.