Disposable diaper having fluid trap
CA 1103402 A · Owner: Colgate-Palmolive Company · Inventors: Hernandez, John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A disposable diaper comprising a waterproof back sheet a hydrophobic, sheet, and an hydrophillic pad sandwiched between the back sheet and the face sheet. The diaper is folded to define a box pleated configuration. Sealing strips of waterproof material separate from the back sheet are secured to the face sheet.
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
- Granted June 23, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 23, 1998.
- 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.