Toilet tissue dispenser with automatic releasing of spent roll and charging of new roll
CA 2000609 A1 · Owner: Maclean, Lloyd W. · Inventors: Maclean, Lloyd W.; Maclean, Lloyd W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Lloyd Walter MacLean, INVENTOR Lloyd Walter MACLEAN, ABSTRACT, A dispensing station for toilet paper rolls consists of straddled rollers upon which the toilet paper roll rests the rollers spaced apart a sufficient distance so as to provide space between the rollers larger than the diameter of a core tube upon which the toilet paper is rolled. Immediately above the dispensing station aforesaid a leverage mechanism is provided, under bias, to provide blockage for a plurality of toilet rolls mounted in the space above. When the toilet roll in the dispensing station is exhausted the, spent core automatically ejects through the aperture defined by the roller and by actuating the lever mechanism …
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 October 13, 1989. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 13, 2009.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 13, 2011.
- 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.