Disposable diaper changing pack
CA 2253228 A1 · Owner: Riddell, Wilfred Eugene · Inventors: Riddell, Wilfred Eugene; Houghton, Dawn Lynn Ilnicki; Feyen, Jean Sandra
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A distinctive composite article (20) has a longitudinal length dimension (86) , and a lateral, width dimension (88). The article includes a flexible outer shell portion (22) having a shell length (24) and a shell width (26). At least a portion of a flexible drape layer (28) is substantially affixed to the shell portion, and the drape layer has a drape width (32) which is larger than the shell width. Additionally, the drape layer may have a drape length which is larger than the shell length. The drape layer includes a first laterally extending fold line (38), a first longitudinally extending fold line (34) and at least a second longitudinally extending fold line (36). The …
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 May 20, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 20, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 20, 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.