Disposable bedding with absorbent region
CA 2421692 A1 · Owner: Little Rapids Corporation · Inventors: Pisani, David J.; Pilling, Melanie
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A disposable sheet has a draw sheet or chux attached thereto. Preferably the , chux is, constructed from three layers a bottom, middle and top layer. The top layer is moisture, permeable and the middle layer is absorbent. The top layer of the chux and the sheet itself may, be integrally connected. Fluids flow through the chux top layer to the middle layer. The chux, bottom layer may be waterproof to prevent fluids from leaving the middle layer. A quilted, pattern may be applied to the chux to for aesthetic reasons or to direct fluid flow.
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 March 12, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 12, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 12, 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.