Apparatus and method of ensuring proper machining of a worksheet
CA 2119877 C · Owner: Lindstrom, Mikko · Inventors: Lindstrom, Mikko
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
To ensure that a worksheet (10) ineffectively operated on the present , invention system monitors the life expectancy of a tool (T1) by counting the number of hits (71) the tool has made so that when it is reached, the tool is replaced by a spare tool (T9). Alternatively or in combination therewith in place of monitoring the life , expectancy of the tool the operational effectiveness of, the tool is monitored (62). Thus anytime that the operational effectiveness of the tool is deemed to fall below a given standard the tool is replaced by a spare tool. The replacing of the tool by a spare and the subsequent replacement of the spare tool by yet another spare can go on ad infinitum. With …
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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 15, 1992 and granted April 29, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 15, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 15, 2014.
- 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
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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.