Interconnected construction blocks
CA 1309830 C · Owner: Hy-Lite Products, Inc. · Inventors: Carlson, Julian; Carlson, Marlon
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A construction block comprising a generally rectangular hollow body having a pair of faces joined by side edges. There are spacing flanges extending about the side edges around the perimeter of the block adjacent and essentially parallel to the faces to ensure correct spacing of the blocks when arranged in a wall construction. Cavities for connecting adjacent blocks together are provided at each corner of the block. There is a spanning member having ends adapted for engagement in the cavities of adjacent blocks in order to connect blocks into a unified wall structure.
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 November 10, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 10, 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.