Construction chair with plastic base
CA 2325516 A1 · Owner: Cooper, Henry R. · Inventors: Cooper, Henry R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A support device for use in tilt-wall construction including a support body having at least two, support legs and a bottom extending between the support legs and a base , formed of a polymeric, material. The base is affixed to the bottom of the support body. The base has a plurality of legs, extending outwardly therefrom. The support body is of a generally U-shaped or L-shaped cross-section. , The support body is formed of a single piece of a metal material. The support legs each, have a slot formed adjacent an edge opposite the bottom. These slots open on opposite sides of the, support legs.
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 November 8, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 8, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 8, 2022.
- 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.