Dual element water sensing fuel dispenser filter
CA 2416494 A1 · Owner: Champion Laboratories, Inc. · Inventors: Gruca, Michael J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The dual element water sensing fuel dispenser filter comprises a housing with an open end. An end plate is positioned in the open end. Contained, within the housing is a filter element assembly that includes a first filter portion and, a second filter portion. The first filter portion is formed from an annular pleated, paper filter media comprised of two layers with a water sensing chemical therebetween. Disposed within the pleated paper filter media are a pair of generally, concentric perforate cores containing a chemical fill therebetween. The pleated, paper filter media will remove particulate matter from the fuel whether the , fuel be, gasoline or an alcohol-gasoline blended fuel. …
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 January 15, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 15, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 15, 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.