Apparatus and method for making pre-cast concrete products
CA 1305850 C · Owner: Bouteiller, Harold L. · Inventors: Bouteiller, Harold L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus and method for making a plurality of formed concrete products. The apparatus comprises a platform having a mold tray situated thereon, wherein the platform has a built in vibrator and the mold tray is attached to a hydraulic lift system. The hydraulic lift system lifts and inverts the mold tray and cured concrete products for easy removal.
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
- Granted August 4, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 4, 2009.
- 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.