Wooden landscaping structures
CA 1313048 C · Owner: Winsor, Lawrence Munro · Inventors: Winsor, Gerald K.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A landscaping structure and kit for constructing the same comprises pieces of timber having similar square cross sectional dimensions which are arranged in at least one geometrical shape having at least two layers of timber. The bottom layer of timbers is provided with blind corner holes while the corner holes of the top layer of timbers are through holes. Overlapping timbers form corner joints which are secured by hardwood dowels through such corner holes to form modules. Blind intermediate joiner holes are also formed in one face of each timber. In the case of timbers of the bottom round of each module, the blind intermediate joiner holes are formed in the opposite face to the blind …
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 January 26, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 26, 2010.
- 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.