Steam and vacuum cleaning apparatus
CA 1074062 A · Owner: Steam Vacuum Extraction Limited · Inventors: Forward, Raymond J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A hot water and vacuum cleaning apparatus comprises a hot water generating unit and a vacuum generating unit each having a tank and means for applying steam and vacuum from these units to a hand tool. The hot water and vacuum generating units are mounted on a single trolley with their tanks located within the confines of a rigid frame of which the lower part confines the pumps and pump driving means of the units. The vacuum generating unit tank is mounted in the frame above the level of the pumps and pump driving means whereas the hot-water generating unit tank is located beside the vacuum generating unit tank and extends downwardly beyond it within the lower part of the frame. This …
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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 March 25, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 25, 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.