Shutter device
CA 1060269 A · Owner: Anderson, Leif · Inventors: Serneblad, Gunnar; Anderson, Leif
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a shutter device comprising a number of shielding slats and operating means by means of which the, shielding slats are displaceable from a position substantially removed from the shielding surface to individual positions distributed over said surface, and pivotable round their longitudinal axis for setting in different angular positions to provide the desired shielding of a surface. The device further comprises two guide rails carrying a number of runner units provided in pairwise arrangement in order to support the two ends of the respective shielding slat in such a manner, that the shielding slats are pivotable relative to the runner units and retainable …
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 August 14, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 14, 1996.
- 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.