Method and apparatus for securing polymer plastic lumber
CA 2219467 A1 · Owner: Little, David L. · Inventors: Little, David L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus for securing polymer plastic lumber. The apparatus includes a body having a first end a, second end, a first planar portion and a second planar portion. The first planar portion and the second planar portion meet substantially at a right angle. Both the first planar portion and the second planar portion have at least one opening whereby fasteners are accommodated. A tab projects from the body. The tab is substantially co-planar with the first planar portion. The tab has a slot that extends between the first end and the second end. Expansion and contraction of the polymer plastic board is accommodated by movement of the fastener along the slot.
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 28, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 28, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 28, 2019.
- 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.