Cleaning equipment
CA 2029197 A1 · Owner: Young, Ronald A. · Inventors: Young, Ronald A.; Young, Ronald A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A C T, "CLEANING EQUIPMENT", Cleaning equipment comprises a container 1 (such as a bucket) with a lower region 3 in which in use there is positioned an element 4 of mat or pad-like form adapted to receive dirt settling under gravity from cleaning liquid 5 in the container. A grid, grille or other apertured member 2, through which the dirt settling out from the cleaning liquid 5 can pass into the mat or pad 4 is positioned, above the region 3 and is normally fixed in position within the container 1 so that the liquid 5 can be tipped out and replaced with the mat or pad 4 retained in position by the member 2. The apertured member 2 can however be removed or displaced within the container 1, …
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 November 2, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 2, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 2, 2012.
- 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.