Oil pan drain port adapter system for engine flushing apparatus
CA 2288669 A1 · Owner: Envirolution, Inc. · Inventors: Renwick, Martin; Grigorian, Victor A.; Seplow, Seymour
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The oil pan drain port adapter assembly (110) for an engine flushing system includes a main adapter member (112) and a plurality of interchangeable adapter members (120). Each of the interchangeable adapter members includes a first threaded cylindrical end portion (124) for engaging and mating with a corresponding threaded portion in the oil pan drain port an opposing end , portion (128) forming an annulus (130) and an interior lumen connecting the , first threaded cylindrical end portion and the opposing end portion in fluid communication. The opposing end portion of each interchangeable adapter member is received in the inlet end of the main adapter member at a fixed angle of …
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 May 12, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 12, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 12, 2020.
- 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.