Packet switch
CA 2371978 A1 · Owner: Nec Corporation · Inventors: Kamiya, Satoshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A virtual output queuing controlling device 200 in the input buffering switch with a VOQ technique comprises a class bandwidth management section 201 for a CBR class and a connection request generation section 202 that makes connection request for a switch scheduler that can execute three-stage priority control. The connection request generation section 202 makes connection request of the CBR class prior to the connection request of the other classes for the switch scheduler.
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 February 14, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 14, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 14, 2024.
- 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.