Hand brush
CA 1293600 C · Owner: Rothweiler (Gebr.) Gmbh & Co. Kg · Inventors: Siegel, Gerald; Rothweiler, Emil
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A hand brush having a housing and a handle which jointly enclose a space for storing a cleaning liquid applied thereinto through a filing opening closed with a flap. A valve which closes a liquid discharge opening is formed on a spring yoke connected to a handoperated actuating slide provided on the handle. The yoke exerts on the valve a force in the closing direction of the discharge opening.
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 December 31, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 31, 2008.
- 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.