Pedicle engaging means
CA 2002174 A1 · Owner: Dove, John · Inventors: Rahmatalla, Abdul Aziz; Sell, Philip John; Dove, John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Pedicle engaging means comprises a bridge member (10) and two clip members (15); the bridge member having an arched middle portion (11) with concave edges (22) to afford clearance with respect to adjacent spinous processes (23) an, aperture (12) in each side of the arch and a pair of end, portions (13) each with a hole for a pedicle screw (29); each clip member (15) having a tip (16) engageable in one of the apertures (12), and a fixing portion (17) with a hole (18) for receiving a pedicle screw (29); and each clip member being cranked (at 19) so as to form with the junction (20) between the arch (11) and respective end portion (13) of the bridge member (10) a pair of clamping parts for …
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 3, 1989. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 3, 2009.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 3, 2011.
- 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.