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Canadian application, no grantCanada

An internet time multiplexed circuit connection

CA 2435841 A1 · Owner: Tang, Bob · Inventors: Tang, Bob

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

Here is presented a method whereby an Internet Time multiplexed Circuit Connection is established enabling data communications at both ends in exactly the same way as in the case where the Internet Connection so established is a PSTN switched circuit connection, at wire speed with same transmissions quality. At predetermined periods (the single individual periods of which may be different in time durations at each nodes) all selected nodes between source and destination are arranged to automatically switch incoming signals to next node at wire speed without buffering delay/route computation delay thus establishes a Time Multiplexed Circuit Connection for the durations of the …

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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 February 13, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 13, 2021.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 13, 2023.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 13, 2001
GrantedNo grant recorded
Term endedFebruary 13, 2021
Patent numberCA 2435841 A1
Classification (IPC)H04M7/00 +1 more

Timeline

Timeline From CIPO dates

2002200420062008201020122014201620182020Application filedFeb 13, 2001Term endedFeb 13, 2021

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.