A door slab assemble structure for the partly hollow door skin and glass
CA 2211279 A1 · Owner: Nan Ya Plastics Corp. · Inventors: Chen, Kuei Yung Wang
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A door slab assemble structure for the two hollow door skin and glass comprises of a partly hollow door skin scaling stuffs a glaze bead and the, hollow area's sealing stuffs of the door skin wherein the door skins have a, convex edge; the left side and the right side can be inserted for assembly; the top and bottom rail, the hollow area's sealing stuffs and the door skin can be gluedtogether. The preceding hollow area's scaling stuffs are designed with grooves for the insertion of a glaze bead in order to fix the glass. The inside of the door slab is filled with polyurethane (PU) foam plastics and its inlet is sealed with a plug to form a door slab.
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 July 24, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 24, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 24, 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.