Three-level stacking container
CA 2238503 A1 · Owner: Stahl, Edward Lloyd · Inventors: Stahl, Edward Lloyd
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A three-level stacking container (20) is provided to stack with an additional container (20) of like construction in a nested level an intermediate stack , level, and a high stack level. Opposed first and second sidewall (26 28) , extend substantially vertically upward from a bottom (22) of the container. Each sidewall includes a bar member (44) pivotally connected thereto at pivot points disposed vertically below an upper rim of the sidewall. The bar member (44) are pivotable through an arc of about 25~ to about 35~ completely within the outside dimensions of the container.
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 October 29, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 29, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 29, 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.