Method and apparatus for cleaning machines
CA 2453262 A1 · Owner: Barnard, Gavin Perryman · Inventors: Barmby, Barry Wallace; Barnard, Gavin Perryman
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of cleaning a lubrication system of a machine includes removing existing lubricant and circulating a cleaning fluid through the lubrication system. After the cleaning fluid has been removed a neutralising fluid is , circulated through the lubrication system whereby the neutralising fluid , combines or reacts with the cleaning fluid to produce a fluid that does not adversely affect the lubricating qualities of fresh lubricating fluid. An apparatus (1) for carrying out the method includes first (3) and second (15) reservoirs to receive the cleaning fluid and neutralising fluid respectively one or more connectors to connect the apparatus to the machine one or more , pumps adapted …
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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
- Filed August 9, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 9, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 9, 2023.
- 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.