System for a free stall barn with a grooved floor, corresponding precast concrete slab and animal keeping method
CA 2425275 A1 · Owner: Reuver, Hermannus S. F. · Inventors: Reuver, Hermannus S. F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a system for a free stall barn or the like for keeping animals, especially cattle, comprising a grooved floor (1) configured as a concrete slab (11). Said grooved floor has a floor surface (10) and said floor surface (10), between adjacent grooves (15) is provided with an elastic , and anti-slip covering (14) that reaches close to the grooves. The invention further relates to a precast concrete slab for assembling such a system wherein the precast concrete slab (11) corresponds to the floor width and in , the longitudinal direction, is provided with adjusting elements (17 18) for , exactly aligning the slabs to be joined. The invention further relates to a …
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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 5, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 5, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 5, 2023.
- 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
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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.