Pre-page timer
CA 2350472 C · Owner: Hu, Yun-Chao · Inventors: Hu, Yun-Chao; Rune, Johan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Response-timer problems due to optional features in communication networks are addressed by having a node such as an MSC/VLR that uses the optional feature promptly , respond to another node's request for information with a message indicating that the node , has implemented the optional feature. This indication can be implemented either as a , new message or as a suitable information element in a message already usually sent from , one node to the other. Upon receiving such a prompt response the node would , adjust its , response-monitoring timer to a value appropriate for the optional feature. Nodes in the , communication network may also generate messages indicating that they …
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 November 12, 1999 and granted May 31, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 12, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 12, 2021.
- 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.