Electromagnetic shedding device for a textile machine
CA 2082655 C · Owner: Speich, Francisco · Inventors: Speich, Francisco
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A shedding device as provided for textile machines which includes oppositely movable lifting blades and pulling elements which are reciprocally movable between a lower shed position and an upper shed position and which are interconnected in pairs by a connecting member. The connecting member is connected through a pulley block to a heddle and a retention device is located at a lower shed position and between the pulling elements to control the latter in accordance with the particular pattern program. The retention device has a wedge-shaped base including a base edge directed toward the harness string. Magnetic pull areas are formed at inclined surfaces of the wedge-shape base and through an …
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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 March 2, 1992 and granted February 9, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 2, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 2, 2014.
- 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.