Reverse caching for residential end-users to reduce usage of access links to a core communication network
CA 2484082 C · Owner: Sprint Communications Company, L.P. · Inventors: Sloderbeck, Jason M.; Spaeth, Jonathon; Myers, Steve
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A reverse caching system (120) monitors residential end-user communications to cache content files when they are transferred from the residential end-users (101-103) over access links (100) to a core communication network (115). The reverse caching system (120) monitors the residential end-user communications to identify requests for the content files cached in the reverse caching system (120). In response to identifying the requests the reverse caching , system (120) transfers the requested content files from the reverse caching system (120) to the core communication network (115).
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 April 23, 2003 and granted July 17, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 23, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 23, 2025.
- 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.