Suction cleaning appliance
CA 1203956 A · Owner: Peacock Investments (Proprietary) Limited · Inventors: Raubenheimer, Johann N.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A suction cleaning head of the wind which performs random steering actions by intermittently applying torque to the lower end of the suction hose leading to it, is manually steered by means of a steering wheel at the upper end of the hose which connects to the suction connection through a swivel.
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 May 6, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 6, 2003.
- 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.