Timing circuit
CA 2306689 A1 · Owner: Clarke, David John · Inventors: Lloyd, Christopher James; Clarke, David John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A timing circuit for recording the duration of intervals between a plurality of events in a data stream, comprising at least two timing channels each , arranged to generate a signal representing time elapsed between events. The rate of change of the signal generated by each timing channel varies with increasing interval duration, and the timing channels are arranged such that each event terminates the operation of one timing channel and initiates operation of another timing channel.
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 October 16, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 16, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 16, 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.