Vehicle central vacuum
CA 2227490 A1 · Owner: Rowe, Tobias J. · Inventors: Rowe, Tobias J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This machine is unique in that it uses the vehicle electrical system to power a central, vacuum cleaner located in a storage area of the vehicle. Some of the features include: - Hideaway vacuum hose: The roll-up hose is stowed conveniently in the vehicle trunk or storage space. - Easily accessible: The vacuum is stored permanently inside the vehicle and thus saves the inconvenience of bringing the hose and machine to the car, or the car to the machine. - Environmentally Friendly: The dust etc. is collected in a vacuum, storage bag in the machine for easy exchange at a convenient time and place. This, reduces the possibility of discarding waste in an improper manner.
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 April 1, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 1, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 1, 2020.
- 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.