Equipment for the purpose of opening safes to which combinations have been lost
CA 2094527 C · Owner: Gauthier,Peter · Inventors: Cowley, J. James; Gauthier,Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A tool comprising an anchor plate which is fastened to the outer housing of the safe by means of self tapping screws or screws using tapped holes so that a drill bushing located in the anchor plate is in alignment with the desired hole to be drilled in the safe housing, a frame is designed to attach to the anchor plate with a rotatably mounted shaft located centrally in the frame and to which is attached a drill chuck on the end nearest to the safe housing with the remote end machined to receive the chuck of an electric power drill with a threaded bushing enclosing this shaft fitted with a special knurled internally threaded disc and mounted so that when the knurled disc is rotated pressure …
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 April 21, 1993 and granted June 29, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 21, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 21, 2015.
- 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.