Expired Canadian patentCanada
Stretchable diaper tab
CA 1289300 C · Owner: Dhondt, Paul · Inventors: Borgers, Leo; Dhondt, Paul
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A disposable diaper has tabs which are converted from a nonextensible to an extensible state by merely deploying the tabs for diapering and without having to break a weakened joint to accomplish the conversion.
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 September 24, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 24, 2008.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 12, 1987
GrantedSeptember 24, 1991
Term endedSeptember 24, 2008
Patent numberCA 1289300 C
Classification (IPC)A61F13/15 +2 more
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.