Filtering device
CA 1330955 C · Owner: Savas, Peter George · Inventors: Boudreau, Ronald Rene; Kiger, Virginia Shimer; Savas, Peter George
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A filtering device for fluids which includes a barrel with an open end and a flow discharge end. A plunger is slidable disposed in the barrel through the open end toward the discharge end and an exhaust nipple projects from the discharge end. The nipple is in communication with the interior of the barrel. A filter is disposed adjacent the barrel inwardly of and adjacent to the discharge nipple, and an annular, integral support stand is disposed at the discharge end of the barrel and surrounds the nipple. The nipple terminates at a point spaced from a planar surface defined by the support stand, which surface is normal to the axis of the barrel and the direction of movement of the plunger …
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 26, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 26, 2011.
- 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.