Sterile air vent
CA 1134698 A · Owner: Baxter Travenol Laboratories, Inc. · Inventors: Defrank, Michael P.; Scott, James W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A sterile air vent is disclosed which permits the passage of gas but is substantially impervious to microorganisms. The vent may be used on a variety of medical apparatus and it is particularly suitable as a tip protector for the tip ends of medical fluid administration sets or the like. The filtering is provided by a solid micro-porous plug of selected material carried in an air passageway of the vent housing which housing, is adapted for attachment to the desired medical apparatus. The plug is sufficiently porous to permit gas to pass through while filtering out bacteria or other organisms which would impair the sterility of the medical apparatus.
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 November 2, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 2, 1999.
- 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.