Split support configuration mattress
CA 2297573 C · Owner: England, Rodney D. · Inventors: England, Rodney D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A split support configuration mattress is provided including a mattress having a core element disposed therein and an upper portion defined over a top surface of the, mattress core element. The upper portion includes a closure mechanism selectively, permitting access to an interior volume thereof. The upper portion is divided along, its length so as to define two substantially equal halves. A plurality of insertable, auxiliary support elements are provided for selective combination and insertion into, each half of the upper portion. As such a split support configuration , mattress is provided. Moreover, the dimensions of the individual auxiliary support elements are, such that they …
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 February 2, 2000 and granted December 25, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 2, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 2, 2022.
- 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.