Method and apparatus for a selective acknowledgement scheme
CA 2396592 C · Owner: Nokia Mobile Phones Ltd. · Inventors: Forssell, Mika; Parantainen, Janne
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A modified unacknowledge mode of a telecommunications system interface is defined by providing for a special signaling indication by way of a selected packet, signaling sequence, message, or the like from a transmitting side to , a receiving side that a given message packet, cell, signaling sequence, or , the like is to be treated specially despite the unacknowledge mode being , used by acknowledging receipt thereof at the receiving side back to the transmitting side. In this way, certain important messages can be acknowledged, while less important messages can be sent without acknowledgement. This reduces the need for wasteful use of capacity for applications in which some 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 January 11, 2001 and granted April 3, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 11, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 11, 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.
Timeline
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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.