Clamping spring collar
CA 2116365 A1 · Owner: Etablissements Caillau · Inventors: Detable, Pascal; Calmettes, Lionel
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A clamping spring collar constituted by a rolled-up, metal strip (1) having end portions (1a 1b) each of, which is of a width substantially equal to half the width of the strip, said end portions being disposed side by side and being provided with respective tabs (2-3) that are directed radially outwardly from the collar which, tabs form abutments for engaging a pliers-like tool the, strip having a cross-section that constitutes a flattened V-shape such that the central region of the inside surface of the collar has a diameter that is smaller than that of its lateral regions, the collar being characterized in that the angle formed between the two branches of the V-shape lies in the range …
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 February 24, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 24, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 24, 2016.
- 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.