Manifold and regulator apparatus
CA 2375174 A1 · Owner: Gray, John C. · Inventors: Gallant, Dennis J.; Gray, John C.; Batta, Jerome B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A manifold assembly (140) is provided which includes a manifold block (142) having a gas inlet (148) and a gas outlet (150). The block (142) also includes a regulator inlet in a planar surface (166) of the manifold block (142) which is connected to the gas inlet (148). The regulator outlet is also provided in the planar surface (166) spaced from the regulator inlet and connected to the gas outlet (150). A regulator (162) is mounted to the manifold block (142) at the planar surface (166) and includes an inlet (164) and outlet (178) on a common wall of the regulator (162). The inlet (164) and outlet (178) of the regulator (162) have the same spacing as and communicate with 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
- Filed May 25, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 25, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 25, 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.