Method and apparatus for manufacturing bobbins
CA 2124296 A1 · Owner: State Of Israel, Ministry Of Defence, Rafael-Armaments Development Authority · Inventors: Ophir, Zohar
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract, A method of manufacturing a bobbin made essentially or partially of a curable resin comprises the steps of: a) providing a mold consisting of a male portion and of a female portion, the gap left between the said female and the said male portions, in their operational mounted position being, of the shape and dimensions of the bobbin which is is desired to produce the said mold being provided with a resin inlet and vacuum port in communication with the said gap; b) laying on the surface of the male part of the mold or winding thereon, any element or material which it is desired to embed within the resin; c) inserting the male part of the mold into the female part thereof 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
- Filed May 25, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 25, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 25, 2016.
- 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.