Window assembly
CA 2208938 A1 · Owner: J.C. Bamford Excavators Limited · Inventors: Leake, Ashley Stephen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An openable window assembly comprising a pair of spaced longitudinally extending side frame members which define therebetween a generally upwardly extending opening which is openable or closable by a window wherein each side frame member has a first guide means to guide a first element associated with the window generally longitudinally of the side frame members and power means to cause movement of the window relative to the guide means whereby said opening may be opened or closed by said window.
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 June 25, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 25, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 25, 2019.
- 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.