Clampable pipe coupling
CA 2264211 A1 · Owner: Schreiter, Reiner · Inventors: Schreiter, Reiner
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A pipe coupling axially connects two pipes having a smooth outer surface. The pipe coupling includes a first split circular ring and a second split circular ring. The, first and the second split circular rings are each made from a metal strip. Each of the, strips have a radial inner edge surrounding the ends of the pipes. A plurality of teeth are, disposed at the radial inner edge of the strips. The teeth are disposed in the plane of the, respective rings. A free end of the tooth penetrates into the pipe when the coupling is in, the clamped position. The free end of each of the teeth have a circumferential edge that, extends transversely with respect to an axis of the pipe coupling. …
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 March 3, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 3, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 3, 2021.
- 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.