Absorbent article having dual asymmetric leg elastics
CA 2135945 A1 · Owner: Roessler, Thomas Harold · Inventors: Schlinz, Daniel Robert; Van Gompel, Paul Theodore; Zehner, Georgia Lynn
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An absorbent article has a lateral width a longitudinal length, longitudinally extending side margins a front waistband portion, a, back waistband portion and an intermediate portion which, interconnects the front and back waistband portions. The article comprises a backsheet layer and an absorbent retention portion superposed on the backsheet layer. A liquid permeable topsheet layer is superposed on the retention portion to sandwich the retention portion between the topsheet layer and the backsheet layer. An elasticizing means form elasticized gathers at leg opening portions of the article. The elasticizing means include a front set of laterally opposed, longitudinally extending leg …
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 16, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 16, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 16, 2016.
- 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.