Device for locking a sliding body, and particularly a retractable road boundary-mark
CA 2116868 C · Owner: Urbaco · Inventors: Verra, Yvan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Locking is possible in at least two predetermined positions to which it can be returned by a control device. The said device is distinctive essentially in that it comprises a locking pin (7) which extends parallel to the slide axis of the sliding body and which can turn on its longitudinal axis (X-X') but not move parallel to the latter the said locking pin (7) possessing a plurality of crosswise indentations (17a 17b) of which the number and mutual distance along the said locking pin (7) are respectively equal to the number and mutual distance of the said predetermined positions and which are angularly spaced from one another around the axis (X-X') of the said locking pin (7) and a bolt …
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 27, 1992 and granted January 26, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 27, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 27, 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.