Disk cartridge device
CA 2325302 A1 · Owner: Sony Corporation · Inventors: Sanada, Yotaro; Netsu, Naohiro; Kusui, Yoshio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A disk cartridge device capable of selectively positioning and mounting a plurality of kinds of disk. cartridges having different sizes onto a recording and reproducing device without troubles. First and second disk cartridges including disks having different disk diameters each stored in cartridge housings having different sizes, a cassette compartment for selectively mounting the first and second disk cartridges, a pair of positioning pins having bases for determining the height for positioning the first disk cartridge onto the cassette compartment a pair of positioning pins, having bases for determining the height for positioning the second disk cartridge, and pairs of positioning holes …
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 November 10, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 10, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 10, 2022.
- 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.