Compact disc case
CA 2059376 A1 · Owner: Kramer, Dale C. · Inventors: Kramer, Dale C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A storage device for compact disc trays each of, the trays having a front surface and a rear surface and a pair of side ledges extending substantially from the rear surface to the front surface and terminating in respective notches adjacent to the front surface. The storage device comprises a plurality of housing elements each of the, housing elements includes a rear wall and two side walls defining a rectangular space for receiving one of the compact disc trays. A spring is disposed adjacent the rear wall for applying a compressive force to the rear surface of the compact disc tray for urging the tray out of the space. A latch projects from one of the two side walls for releasably engaging …
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 January 15, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 15, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 15, 2014.
- 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.