Pin and assembly for quick release toilet seat
CA 2136809 A1 · Owner: Burgess, Sheridan Leigh · Inventors: Burgess, Sheridan Leigh
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention has a central spindle which at the base and is eccentric. The central spindle is surrounded by a sleeve which is deformed and expands its effective diameter at the base when the spindle is turned. To release the spindle is, turned in the opposite direction and the seat assembly may be, removed. The device is particularly useful for attaching a toilet seat.
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 28, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 28, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 28, 2016.
- 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.