Combined intra-uterine contraceptive device and applicator
CA 2130105 A1 · Owner: Schering Aktiengesellschaft · Inventors: Augustin, Rainer
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a combination of an intrauterine contraceptive device, a corresponding hollow applicator suitable for introducing the IUD into the womb and a piston movable in relation to the applicator the cranial, end of which bears on the caudal end of the IUD. The IUD consists of a cylindrical body and two flexible arms secured to one end of the body. At its cranial end the applicator, has a longitudinal aperture and an elastic web which thickens towards its cranial end. The web has a guide for the IUD. The applicator and the piston each have a holder at their cranial ends. The combination is designed to improve ease of handling during the fitting of an IUD and to reduce the …
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 February 12, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 12, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 12, 2015.
- 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.