Apparatus for use in filtering a liquid
CA 1269623 C · Owner: Hartley, Philip Joseph · Inventors: Hartley, Philip Joseph
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to an apparatus for filtering a liquid - in particular milk. There is provided a tubular stainless steel casing (2) which has an inlet (3) and an outlet (4) for the milk . The casing (2) houses a filtering device (5) comprising a cage of metal rods (305) welded to a coiled spring (405) and which has fitted thereon a disposable filter sock (6). The filter sock (6) is held in operative position on the filtering device (5) by a collar (205) and a plug (7) adjacent the outlet (4) while at the opposite end of the casing (2) there is provided a removable lid (9) held in use in a locked position by a lock nut (10).
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 May 29, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 29, 2007.
- 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.