Production of surfacing units
CA 1109240 A · Owner: Ibstock Building Products Limited · Inventors: Cond, Frederick G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Title of the Invention:, "Improvements in or relating to the production of surfacing units", Abstract of the Disclosure: The invention is concerned with the problem of holding in place a plurality of bricks stones, tiles or the like while they are being assembled into a pre-formed panel for subsequent incorporation into a building or like structure. It has been discovered that the elements can be frozen into place on a water-saturated base surface without any detrimental effect on the setting characteristics of the mortar or other adhesive used to bind the elements. The invention also provides apparatus for carrying out the method.
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 September 22, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 22, 1998.
- 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.