Apparatus for changing an engine's oil and filter
CA 2434374 A1 · Owner: Kielland, Peter Johann · Inventors: Kielland, Peter Johann
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A tubular manifold adapted for engagement onto the suction wand of a conventional, household vacuum cleaner. The upper bore of said manifold is adapted for hermetic, fixation to the vacuum cleaner's suction wand and its lower bore is adapted for hermetic, engagement onto the standard screw-capped aperture of a motor-oil shipping container, gasoline "ferry-can" or similar recycled liquid container. One end of a smalldiameter, flexible tube, thin enough for insertion down the oil dipstick tube of an engine is inserted, through a close-fitting aperture pierced through the side of said manifold. When the, mated suction wand exerts negative pressure within the mated liquid container used, …
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 7, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 7, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 7, 2025.
- 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.