Disk device
CA 2372009 A1 · Owner: Hitachi Global Storage Technologies Netherlands B.V. · Inventors: Ishikawa, Jun; Kimura, Shin-Ichi; Ohta, Mutsuro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A disk unit wherein, because an actuator arm could not be prevented from being abruptly projected from an unload position by a reaction produced when the actuator arm is collided with a stopper by the action other than an external impact in an inertial latch for preventing the actuator arm as a component part of the disk unit from being abruptly projected from the unload position by the external impact, a sensitive projection (16e) is installed on a latch which is engaged with the top end part of the actuator arm and prevents the arm from being projected abruptly and, when the actuator arm is collided with an outer C/S, the latch is rotated by this impact until it is engaged with …
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 August 16, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 16, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 16, 2021.
- 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.