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Canadian application, no grantCanada

A method for packet switched data transmission

CA 2289928 A1 · Owner: Nokia Networks Oy · Inventors: Hippelainen, Leo

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

The invention relates to a method, a network node and a data transmission system for packet-switched data transmission in a data transmission network that comprises at least two network nodes (DXT BS) for receiving and , transmitting packets. The packets (3 4, 5, 6) sent from the first node (DXT) to the second node (BS) are packets whose destination address indicates the second node as the next node, and the first node (DXT) identifies the destination addresses and data transmission connections (A B, C, D) , associated with the received packets from the identification data contained in each packet. To reduce the risk of a packet not arriving in time the method , comprises reception of …

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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 May 12, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 12, 2018.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 12, 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.
FiledMay 12, 1998
GrantedNo grant recorded
Term endedMay 12, 2018
Patent numberCA 2289928 A1
Classification (IPC)H04L69/32

Timeline

Timeline From CIPO dates

1999200120032005200720092011201320152017Application filedMay 12, 1998Term endedMay 12, 2018

Sources & verification

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