Injection device
CA 1183414 A · Owner: Syntex (U.S.A.) Llc · Inventors: Mcnaughton, Allen D.; Umbach, Steven R.; Christensen, Terrence B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An injection device particularly suitable for the intraruminal injection of medicaments into ruminants is described. The injection device is characterized by a needle carrying means and a needle actuation means which, are operatively coupled such that the needle actuation means permits movement of the needle carrying means from a retracted position to an extended position wherein the, needle is capable of piercing the rumen only when the, needle carrying means is in a preferred orientation (e.g. perpendicular) to the surface of the host animal at the injection site. The injection device is further characterized by a dose delivery actuation means which is responsive to the relative position …
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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
- Granted March 5, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 5, 2002.
- 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.