Self-piercing female fastener, method of forming a sealed female fastener and panel assembly and panel assembly
CA 2467754 A1 · Owner: Fabristeel Products, Inc. · Inventors: Wojciechowski, Stanley E.; Parker, John M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Method of forming a sealed joint between a nut (20) having a cylindrical pilot (22), an annular flange portion (28) surrounding the pilot and an re-entrant groove (32) and a panel with a die having an annular lip (62) which deforms a panel portion into the groove (32) and simultaneously shaves an outer surface of the pilot onto the panel. The annular groove in the flange portion includes an arcuately inclined outer side wall (36) and an inner side wall (38) arcuately inclined toward the flange portion.
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 December 16, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 16, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 16, 2024.
- 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.