Quick close filter
CA 2405372 A1 · Owner: Morgan, Howard W. · Inventors: Morgan, Howard W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to a liquid filter which includes a housing and a rotatable lid for, covering the opening in the filter housing. The housing incorporates the inlet port and the outlet port, for the filter. The lid is secured to the housing by rotating movement in which cam followers carried, by the lid engage cam members carried by the housing to cause the lid to be cammed downwardly, upon the housing. As the lid is drawn down onto the housing an annular seal , carried by the lid, engages the inner surface of the housing to form a seal between the lid and the housing, covering a, side opening in the housing.
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 September 26, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 26, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 26, 2024.
- 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.