Modular construction system
CA 2504441 A1 · Owner: Kraaijkamp, Willem Herman · Inventors: Kraaijkamp, Willem Herman
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A modular construction, in particular a pond construction or other garden construction, wherein the construction is supported in the subsoil comprising , at least two tubes (2), of which first substantially hollow ends project into the subsoil, and wherein screw thread-shaped flanges (3) are provided on the tubes (2), which support the tubes in the subsoil. The construction further comprises at least two coupling pieces (5) which are at least during , construction, each axially freely pivotably supported on second ends of the respective tubes (2), and a girder (7) which is attached the coupling pieces (5).
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 October 30, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 30, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 30, 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.