Ventilators
CA 1136475 A · Owner: Britax Weathershields Limited · Inventors: Fisher, Sidney E.; Hunt, Keith R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Ventilators and/or Windows for Vehicles In a combined ventilator and window for installation in the roof of a motor coach, a panel is mounted on angularly movable arms so that the panel can be moved between a closed position, opened positions in which either side of the panel or either end of the panel is opened, and an open position in which the panel is parallel to and spaced from its closed position. The arms are pivotally mounted on the frame and have detent means to hold them in their alternative position. The other ends of the arms are pivotally connected to brackets depending from the panel the latter pivotal connections being adapted to permit relative movement between the arms and …
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
- Granted November 30, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 30, 1999.
- 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.