Roof tile fastening arrangement
CA 2108106 A1 · Owner: Hensey, Paul S. · Inventors: Thomas, John F.; Hensey, Paul S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A roof tile fastening arrangement secures each of a plurality of concrete roof tiles, disposed in side-by-side relation, to a birdstop mounted adjacent the lower edge of a roof support structure, by a plurality of clips extending between and secured to the side edges of the tiles and to the birdstop. Each of the clips has an upper curved lip portion extending over the side edge of an associated one of the tiles. In a first embodiment, each of the clips has a lower hook portion which hooks to a different one of a plurality of drain slots adjacent the base of the birdstop. The clip is made of resilient material and has a curved body portion which may be flexed to facilitate installation of …
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 October 8, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 8, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 8, 2015.
- 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.