Multi-layered bedclothes material
CA 2520366 C · Owner: Wootten, Gerald E. Jr. · Inventors: Wootten, Gerald E. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A material for bedclothes includes first and second outer layers connected together at their peripheries, the first outer layer being made of at least two sub-layers connected together, one sub-layer being a smooth fabric material and a second sub-layer being made of a comfort-adjusting material such as a heat insulating material (fibrous batting). The second outer layer is made of a smooth fabric material (cotton sheeting). The first and second sub-layers can be sewn together to provide a quilted non-smooth outer , surface. The smooth outer layer is intended for contact with a person using the bedclothes.
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 25, 2004 and granted June 12, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 25, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 25, 2026.
- 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.