Device for cleaning
CA 2209057 A1 · Owner: Levy, Marvin W. · Inventors: Levy, Marvin W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides a device for cleaning comprising a, cleaning head adapted for use in connection with a handle or in the alternative, in, connection with the hand of the user. The cleaning head comprises a first layer of material and a second layer of material joined to the first layer to define a pocket having a pocket opening. The pocket and the pocket opening are sized to receive a hand or, in the alternative, a support plate attached to a handle. The second layer defines a slit extending from the pocket opening to form a first flap and a second flap. Preferred means for closing the slit comprise a tab of material having looped projections attached to one flap and a tab of …
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 June 27, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 27, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 27, 2019.
- 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.