Abrasive blasting apparatus
CA 1306361 C · Owner: Ltc International B.V. · Inventors: Van Leeuwen, Jacob K.L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus for cleaning a surface (0) by means of an abrasive in a transporting air current at high velocity which apparatus substantially consists of a nozzle (1) for placing on the surface (0) provided with a feed line (3) to be connected onto a pressure source (4) which line (3) has, an inlet opening (9) for the abrasive and a discharge line, (6) connected to a vacuum source and leading to a dust collector (8) wherein a dust/abrasive separator (7) is accomodated in the discharge line (6) and connected via a closable port mechanism (13) with a storage tank (10) for the reclaimed abrasive connected to the inlet opening (9) and, further said dust/abrasive separator being a container …
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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 August 18, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 18, 2009.
- 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.