Self-plugging blind rivet
CA 2059374 A1 · Owner: Avdel Systems Limited · Inventors: Browne, Laurence Anthony; Lacey, Raymond Dennis; Denham, Keith
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A self-plugging blind rivet of the kind comprising a, tubular body having a head and a shank which is deformed by means of a headed stem which is disposed in the body and pulled so as to form a blind head and, if necessary to cause, the shank to bulb so as to grip workpieces of lesser thickness than the maximum for which the rivet is designed is so shaped, and dimensioned as to avoid the need for a crimping or hardening operation to be performed on the shank. Thus the shank is made of uniform hardness, and has a waist and a tail portion, the waist being of reduced external diameter compared with the tail portion, and the tail portion having a length B and an external diameter D which are …
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 15, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 15, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 15, 2014.
- 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.