Vacuum cleaning nozzle
CA 1136364 A · Owner: Aktiebolaget Electrolux · Inventors: Simonsson, Sven B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A nozzle for a vacuum cleaning apparatus having two movable working members, that is a brush nozzle and flat surface nozzle which can be alternately brought into contact with a working surface, such as a floor by means, of an actuating member operating between two end positions. A blocking means is arranged to block the actuating member in either of the end positions. The flat surface nozzle is arranged to be lowered to a position on the working surface in which the flat surface nozzle is located below the front edge of the brush nozzle in order to pick up dust and dirt near vertical surfaces.
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 November 30, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 30, 1999.
- 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.