Payload header suppression including removal of fields that vary in known patterns
CA 2446517 A1 · Owner: Holborow, Clive Eric · Inventors: Holborow, Clive Eric
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A CM terminal uses a predetermined suppression algorithm for removing a field that varies in a known pattern from a payload header of an information packet being transmitted to a remote CMTS terminal; and the CMTS terminal uses a predetermined restoration algorithm that is complementary to the predetermined suppression algorithm for restoring the removed field to the payload header of an information packet received from the CM terminal. The CM terminal and the CMTS terminal process and exchange service control messages that include DOCSIS PHS encoding extensions identifying the variable fields that are to be removed from the payload headers of discrete information packets and …
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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 May 10, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 10, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 10, 2024.
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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.