Needle holder device of medical administering injector
CA 1069794 A · Owner: Ishikawa, Soji · Inventors: Ishikawa, Soji
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A needle holder device for use in a medical administering injector such as a syringe or dripset comprising a generally tubular member formed with a liquid conducting passageway consisting of two axially spaced cylindrical bore portions and a frusto-conical bore portion between the cylindrical bore portions and a, filter assembly held in position within one of the cylindrical bore portions and located in proximity to the frusto-conical bore portion, the filter assembly including at least one filter element and filter retaining means formed with open spaces providing communication between the frusto-conical bore portion through the filter element and one of the cylindrical bore portions the …
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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 January 15, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 15, 1997.
- 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.