Tube assembling device
CA 2492425 A1 · Owner: Rantrua, Jean · Inventors: Rantrua, Jean
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a tube assembling device consisting of hub-carriers and hubs for erecting three-dimensional structures. Said hub-carriers consist of two pairs of half-rings (8 and 9), bearing tongues (1 and 14) offset by 90~ along an antero-posterior axis and linked by four connecting lugs (10 and 11) they support radial hook-shaped expansions (5 6, 7). Said hub-carriers can , link two tubes in a fixed or balanced position can be fixed at the tube end, can be fixed along a tube and support hubs. The hubs support tongues (3) which are positioned folded or unfolded inside the tubes used for the construction of the radial expansions into rings (4) and catching teeth (5 6 7) …
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 July 11, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 11, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 11, 2025.
- 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.