Furniture base construction
CA 2129555 C · Owner: Gutgsell, David · Inventors: Gutgsell, David
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A furniture base construction comprising a top plate mounted on a hollow, vertical standard which is connected to, a hollow, horizontal base. The connection between the vertical standard and the horizontal base forms a male-female joint with interlocking edges. The interlocking edges of the joint resist both rotational and lateral forces. The joint between the vertical standard and horizontal base is, maintained in compression by two tension members connecting an upper mounting plate secured within the vertical standard and a lower mounting plate secured within the horizontal base. Holes in the underside of the horizontal base aligned, with openings in the lower mounting plate provide …
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 August 5, 1994 and granted October 20, 1998. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 5, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 5, 2016.
- 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.