Hook
CA 2082950 A1 · Owner: Igesto Ab · Inventors: Storm, Ingvar
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A safety hook comprising a curved hook body provided with a hook opening defined by a substantially U-shaped part and pivotally connected to a hook head which carries a pivotal shackle device, wherein the hook body in a first, open, position, is held swung relative to the hook head so as to leave the hook opening open and therewith enable a load to be hooked onto the hook body, and wherein the hook body in a, second, closed, position, is swung relative to the hook head such that the hook opening is blocked my means of a barrier part which projects outwardly from the hook head and wherein, latching devices are provided for releasably securing the hook body essentially in the second position. …
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 May 16, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 16, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 16, 2013.
- 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.