Vacuum cabinet and gas venting shield
CA 1081028 A · Owner: Foster, Beatrice D. · Inventors: Foster, Beatrice D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, A wheeled cabinet is provided and includes a vertically elevatable, universally angularly displaceable and longitudinally extendable boom supported therefrom. The free end of the boom supports a horizontal shield structure defining a shallow downwardly opening cavity and the interior of the cabinet houses a vacuum motor including an inlet and an outlet. A vacuum line is provided and includes an inlet end opening into the interior of the cavity of the shield structure and an outlet coupled to the inlet of the vacuum motor. Further an exhaust line is also provided and includes inlet and outlet ends. The inlet end of the exhaust line is coupled to the outlet of the …
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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 July 8, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 8, 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.