Method for machining a component
CA 2126536 A1 · Owner: Harnischfeger Corporation · Inventors: Kallenberger, Harvey J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is a method for machining a component using a CNC or an NC machine. The method includes the steps of mounting the component at a location on the machine and providing a pair of datum points e.g. "locating holes" or dowels, on the component. A first base line is defined to extend through the datum points and a second base line is defined to intersect the first base line at an intersection. While retaining the component at its mounting location, such component is machined using dimensions measured from the base line intersection. The new method avoids the inaccuracies e.g. tolerances and tolerance "buildup," that often results from the use of jigs, fixtures and the like. In other …
Read the whole patent
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 June 22, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 22, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 22, 2016.
- 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.