Stopper for containers for use in analyses
CA 1190521 A · Owner: Miramanda, Fernando Xalabarder · Inventors: Miramanda, Fernando Xalabarder
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A stopper For containers for use in analyses comprising a resilient Body having An axial cavity closed by a perforatable transverse wall provided with slits defining segments, said slits allowing for the opening of the stopper when a tubular member is inserted in the cavity and closing thereof when the segments return to the initial position thereof. The cavity is provided with a plurality of longitudinal ribs adapted for defining passages for air between the body and the tubular member. The stopper may slide within the container.
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
- Granted July 16, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 16, 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.