Fasteners and methods of making fasteners
CA 2359370 A1 · Owner: Parellada, Luis · Inventors: Sanchez, Juan; Parellada, Luis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of forming a fastener is provided including (a) forming, from a , thermoformable material a preform product having a sheet-form base (12) and an array of preform stems (104) integrally molded with and extending from the base to corresponding terminal ends (109); (b) heating the terminal ends (109) of the stems to a predetermined softening temperature while maintaining the , sheet-form base and a lower portion of each stem at a temperature lower than the softening temperature; and (c) contacting the terminal ends with a contact surface that is at a predetermined forming temperature lower than the , softening temperature to deform the terminal ends to form heads therefrom that …
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 January 17, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 17, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 17, 2022.
- 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.