Apparatus for removing dross ridges from a metal workpiece
CA 2248519 A1 · Owner: Keibler-Thompson Corporation · Inventors: Depasquale, Joseph A.; Mancuso, Matthew A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus for removing the dross ridges which are formed on the lower surface of a metal workpiece during torch cutting of the workpiece. The apparatus includes a support beam having generally flat upper and lower surfaces, and a cutting edge extending longitudinally along each of its four corners. The beam is positioned to extend across and below the workpiece path of travel, and the beam is rotatable between a neutral position wherein one of the upper and lower surfaces is just below the pass line of the workpiece, and opposite tilted positions in which one of the cutting edges engages and removes a dross ridge on the lower surface of the workpiece. Each of the cutting edges comprises …
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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 September 30, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 30, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 30, 2020.
- 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.