Device with shutter windable around a spindle
CA 1324314 C · Owner: Coenraets, Benoit Jacques · Inventors: Coenraets, Benoit Jacques
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device with a shutter windable around a spindle. A B S T R A C T A device having a shutter (1) windable around a spindle (2) and adapted inter alia to close a bay (3) or other opening by the unwinding of the shutter, the same having flexible side edges (4) which project beyond the shutter plane and which are retained with reduced friction in substantially continuous guideways (5) during the unwinding and winding - i.e. winding-on - of the shutter (1), means being provided to enable the shutter edges (4) to disengage from their guideways (5) when subjected to a predetermined pull transversely to guideway length each guideway, (5) having near and upstream of the shutter spindle (2) an …
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 16, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 16, 2010.
- 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.