Method for paving surfaces with asphalt
CA 2238715 A1 · Owner: Gopfert, Reinhard · Inventors: Gopfert, Reinhard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and system for forming asphalt paving blocks for paving roadways, and the paving blocks used for paving roadways. The method comprises mixing asphalt in a stationary mixer, molding it into block-like paving elements, transporting the elements to a construction site and laying the elements to form a roadway. The system for forming the paving blocks comprises a molding press mounted on a trailer connected to a tractor, and storage shelves for storing pallets containing the molded paving elements. The paving elements are plastic-coated asphalt block-like elements. The paving elements have all the advantages of a traditional asphalt surface in terms of noise but can be, produced …
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 May 27, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 27, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 27, 2020.
- 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.