Industrial vacuum cleaner
CA 1070667 A · Owner: Ferland, Omer · Inventors: Ferland, Omer
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An industrial vacuum cleaner is disclosed. The vacuum cleaner comprises a housing having an inlet port means for, creating a vacuum in the housing to suck dust into the housing means located in the housing adjacent such inlet port for separating any liquid or snow which may be drawn up with the dust, and a filter, also located in the housing for collecting, the dust.
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 January 29, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 29, 1997.
- 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.