Pouring device having a built-in flow stopping mechanism
CA 2127396 A1 · Owner: Dumas, Marc · Inventors: Dumas, Marc
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
24, Abstract of the Disclosure:, A pouring device for pouring lubricating oil into the oil filler neck of a conventional engine. The pouring device is adapted to prevent unwanted spilling of oil onto the exterior surface of the engine block during the pouring operation. The pouring device has a cylindrical connecting neck portion which is adapted to be threadaly mounted over the discharge aperture of a conventional lubricating oil container. The connecting neck portion extends integrally into a spout. The spout has an inlet surface. A sealing membrane is hingely connected to the connecting neck portion adjacent the inlet surface. The sealing membrane is adapted to pivot between a closed …
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 July 5, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 5, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 5, 2016.
- 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.