Portable tree stand
CA 2436396 A1 · Owner: Lepage, Dean · Inventors: Lepage, Dean
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A portable elevated observation chair apparatus comprises a rope ladder releasably, attached on each side of a top end thereof to laterally separated elevated support locations, and releasably attached on each side of a bottom portion to laterally separated bottom, support locations. The attachments cause the rope ladder to resist twisting away from the, forward facing direction. A bottom end of the rope ladder is located forward of the top, end thereof such that lower rungs of the rope ladder are forward of higher rungs. A, flexible chair is attached between upper and lower adjacent rungs located in proximity to, the top end of the rope such that a seat is provided by the flexible …
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, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 5, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 5, 2025.
- 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.