Paint spray booth with plenum means of reduced cross section and method of operating the same
CA 2042924 A1 · Owner: Telchuk, Steven E. · Inventors: Telchuk, Steven E.; Brown, Leslie H.
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 paint spray booth apparatus and method particularly for automated paint applications is, illustrated and disclosed. The booth has a spray painting chamber and a plenum thereabove. Unlike prior art booths, the plenum of the present invention provides air flow only where needed to control overspray, and generally the plenum is only 60% or, less, in width or cross-section than the prior art full ceiling width plenums. In carrying out the method of the present invention air is supplied from the plenum to the spray painting chamber only where needed to control overspray so that consequently the quantity of air utilized is substantially less than in prior art booths …
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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
- Filed May 21, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 21, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 21, 2013.
- 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.