Roof tile fixing clip
CA 2005824 A1 · Owner: Wright, Norman · Inventors: Wright, Norman
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A tile clip for a pitched roof of laterally interlocked tiles for restraining a tile against movement away from, and movement down, the roof the clip being secured to a roof batten adjacent the lower end of the said tile, on which batten rest tiles in a row below the row containing the tile, being overlapped by the said tile; wherein the clip comprises first, second and third portions; the first portion being securable to the batten without removing the tiles resting thereon and, extending up to the end of such tiles; the second portion extending from the first portion to the upper surface of the tiles resting on the batten; and the third portion extending from the second portion down the …
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 December 18, 1989. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 18, 2009.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 18, 2011.
- 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.