Identification and re-transmission of missing parts
CA 2770432 C · Owner: Core Wireless Licensing S.A.R.L. · Inventors: Walsh, Rod; Paila, Toni; Curcio, Igor
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a method for file delivery in a system capable of one- to-many transmission the method comprising transferring one or more data blocks from a sender to at least one receiver identifying a data block expected to be received but not received at all or incorrectly received at the receiver and taking action to re-transmit said data block. In the method said identification is performed on the basis of a block number an encoding identifier and certain other identification information.
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 11, 2005 and granted July 29, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 11, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.