Improved diy flooring assembly
CA 2199057 A1 · Owner: Wu, Chang-Pen · Inventors: Wu, Chang-Pen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved DIY flooring assembly includes a determined number of foundation elements flooring, elements, decorative strip seats and decorative strips. The foundation elements are provided with side and vertical grooves as well as vertical strips. The front sides are provided with face blocks, face grooves and auxiliary grooves. The flooring elements facing the foundation elements are provided with corresponding face grooves, face blocks and auxiliary blocks. The sides thereof are provided with positioning grooves and blocks. The foundation elements may be joined in a transverse or longitudinal manner to cover the floor area. The flooring elements are laid on the foundation elements. 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 March 3, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 3, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 3, 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.