Material filing and storage rack
CA 2350930 C · Owner: Mackelvie, Winston R. · Inventors: Mackelvie, Winston R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention is a rack for stackable articles such as compact discs (CD's) video tapes, audio cassettes, trays boxes and the like (here and after, referred to as the media), which also provides a convenient method to maintain, accurate filing of same. The rack structure comprises opposing stanchions each containing a compressible element on their facing surfaces. Stanchions are spaced in accordance with the size of the particular media being racked and filed, therein. What is new and novel about the present rack is that it is slotless in, operation: each article is individually held or suspended by the side compressive, force that the article generates on insertion between the …
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 21, 2001 and granted January 28, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 21, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 21, 2023.
- 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.