Stackable recycling crate
CA 2019014 C · Owner: Spectrum International, Inc. · Inventors: Box, Thomas
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A stackable crate and stackable crate system wherein each crate comprises: a pair of opposing sidewalls, a back wall coupled to the sidewalls and a, front wall coupled to the sidewalls. The front wall has a first substantially rectangularly shaped opening at the top portion and a second substantially rectangularly shaped opening at the bottom portion of the front wall thereby defining in the front wall a central portion with the bottom edge of the central portion extending to form at each end a lower leg segment and the top edge of the central portion extending to form at each end an upper leg segment. A bottom side is planar as it extends away from the back wall but tapers upwardly to …
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 June 14, 1990 and granted July 6, 1993. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 14, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 14, 2012.
- 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.