Suction device
CA 1252964 A · Owner: Choiniere, Remi · Inventors: Choiniere, Remi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An extension device for vacuum cleaner specifically directed to dust removal from under household appliances and pieces of furniture having a small ground clearance. The device includes a main hollow blade portion and a socket portion for connection to the vacuum cleaner suction hose. The blade bottom wall has an elongated aperture and the blade is spacedly supported over ground by shoulder members at the ends of this aperture. The front end of the blade has also a transverse slit. The blade and socket bottom walls are coplanar.
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 April 25, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 25, 2006.
- 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.