Zone-spread tape tab
CA 1091852 A · Owner: Colgate-Palmolive Company · Inventors: Karmi, Hamzeh
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A diaper fastener for use on a disposable diaper having an absorbent body and a plastic backing sheet, the fastener comprising a strip of tape folded into a "Z" configuration having contiguous first second, and third, legs, said strip having a front surface and a reverse surface and being coated with an adhesive on the front surface of each of said first and third legs the front surface of said second leg being free of adhesive said first leg, front surface being in contact with said plastic backing sheet and said third leg front surface being in contact with said second leg front surface thereby forming a subunit comprising said second and third legs said subunit being, releasably secured …
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 December 23, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 23, 1997.
- 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.