Combination backpack and chair
CA 2214765 C · Owner: Tennant, Brian M. · Inventors: Tennant, Brian M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A combination backpack and chair (10). It has a backpack (14) with a chair back (20) located on its rear face. Chair back wings (44) extend from side regions (46) of the chair back (20). A seat (18) extends from a lower rear region (22) of the chair back (20). Seat wings (38) extend from side regions (40) of the seat (18). The seat wings (38) and chair back wings (44) are foldable inwardly into contact with the seat and chair back (18 and 20) when the device is in a closed position and these wings (38 and, 44) are foldable outwardly when the device is used as a chair. Generally rigid stays (48 and 42) are placed in the back wings (44) and the seat wings (38) to provide for greater …
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 15, 1996 and granted August 26, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 15, 2016.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 15, 2018.
- 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.