Comforter
CA 2222391 A1 · Owner: Hollander, Jeffrey M. · Inventors: Hollander, Leo; Hollander, Jeffrey M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A comforter includes a main body portion and a peripheral region extending along at least one edge of the main body portion. With the comforter placed on a bed, the peripheral region defines an at least partially enclosed space between the upper surface of the bed and the main body portion of the comforter. The main body portion contains a fill material in a first weight per unit area and the peripheral region contains a fill material ina second weight per unit area greater than the first weight per unit area. In use, the greater weight per unit area of the peripheral region substantially reduces air circulation into and out from the at least partially enclosed space, creating insulating …
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 27, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 27, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 27, 2019.
- 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.