Method and apparatus for the production of interlocking concrete blocks
CA 2123334 A1 · Owner: Yagos, Rudy · Inventors: Yagos, Rudy
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Interlocking concrete blocks have long been recognized as an efficient construction material for the fast erection of a variety of buildings. A new method and apparatus for the production of such blocks is described herein and comprises a gravity fed chute having a cut-off mechanism, directing a mixture stream of sand gravel and cement to a holding, bin, which bin is mounted upon a fixed platform and is slidingly movable thereupon under the control of a hydraulic cylinder assembly. The holding bin conveys a predetermined volume of vibrated mixture to a mould where the mixture is deposited and compressed. The newly formed block is ejected by means of ejection pins or fingers protruding into …
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 11, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 11, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 11, 2016.
- 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.