Machine for cutting curbstones and sidewalks
CA 2444528 A1 · Owner: Materiaux Economiques Inc. · Inventors: St-Pierre, Denis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus suitable for cutting curbstones sidewalks and the like, comprising a, pair of spaced parallel booms mounted on a base a rail structure mounted on , the pair of parallel booms and being movable therealong connecting means extending from , the pair of parallel booms to support the rail structure the rail structure including a , suspension member mounted on the support structure the support structure having a pair , of ball and socket joints to receive the rail structure. This arrangement permits movement of one end, of the rail structure to permit adjustment thereof.
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 9, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 9, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 9, 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.