Micro-porous tubular filter
CA 1058095 A · Owner: Domnick Hunter (Engineers) Limited · Inventors: Domnick, Keith R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A filter having a microporous filter sleeve formed from fibres providing pore size below 50 microns supported, by a rigid support, and held at each end in a tapered channel in an end cap to compress the end zones of the sleeve. The end caps can be urged towards each other by a tie rod extending between them having a nut and screw arrangement. A porous sock may be provided downstream of the filter element and this can be of plastic material, or of foamed metal and combined with the rigid support.
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 10, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 10, 1996.
- 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.