Adsl loop qualification systems and methods
CA 2381683 A1 · Owner: Lu, Tingting · Inventors: Lu, Tingting; Hartsfield, Kenneth W.; Seymour, James M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Loop qualification systems and methods involve evaluating Loop Make-Up (LMU) data to determine whether loops qualify for certain services such as ADSL , service or other digital services. The LMU data includes such information as whether the loop is comprised of copper fiber, is a DLC, the length, resist , zone carrier zone, loading factor, the existence of a DAML and taper code , information. The loop qualification systems and methods obtain LMU data on existing loops and also information on loops that have not yet been completed. Network service providers (NSPs) interface with the loop qualification systems to determine whether certain lines are qualified for a service. The loop …
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 August 11, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 11, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 11, 2022.
- 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.