Vacuum system and method
CA 2593764 C · Owner: Hutchison, Stephen E. · Inventors: Remm, Tom; Thomas, Gordon; Reick-Mitrisin, Christian
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A central vacuum system connectable to an interior portion of an inhabitable structure includes a housing having an upper end a lower end, and a side wall , defining a collection chamber the side wall defining an opening communicating between atmosphere and the collection chamber and a vacuum motor supported in , the housing and being operable to move debris from the interior portion into the collection chamber.
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 January 10, 2006 and granted September 4, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 10, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.