Apparatus for sorting blocks
CA 2227160 A1 · Owner: Gebhart, Hans · Inventors: Gebhart, Hans
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus for sorting blocks, An apparatus for sorting blocks made of concrete or concrete-like material, in particular paving slabs having a vibration arrangement and a sorting arrangement which slopes with respect to the horizontal has an entry, part for the blocks which are to be sorted and a sorting part, which has at least one collecting channel running in the conveying direction. The collecting channel has a central part and two lateral run-on surfaces arranged thereon, the width of the central part corresponding at least approximately to one of the two shorter edge lengths of the blocks which are to be sorted. The run-on surfaces are provided with stop elements the stop, elements on …
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 January 16, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 16, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 16, 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.