Capillarity device for applying or taking up liquids
CA 2006872 A1 · Owner: Busch, Peter · Inventors: Busch, Peter; Hoeffkes, Horst; Thiele, Klaus
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device for applying and/or taking up a liquid includes a number of thin plates and/or films arranged in layers one above the other with slot-like interstices between the individual plates and/or films of a size depending on the particular plate and/or film materials and the liquid to be, applied or taken up. The particular liquid is transported through the slot-like interstices by capillary effect enabling, relatively large amounts of liquid optionally including small, solid constituents to be transported. The device is freely movable and portable, and serves as a consumer article or appliance for the application or removal of liquid to or from surfaces by a wiping movement, for which …
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
- Filed December 28, 1989. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 28, 2009.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 28, 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.