Network protocol-based home entertainment network
CA 2303920 C · Owner: Holloway, John T. · Inventors: Holloway, John T.; Frank, Edward H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An in-home network which includes a telephone line and a plurality of consumer electronic devices coupled to the telephone line. Each of the consumer electronic devices is assigned a unique address such that each of the , consumer electronic devices is assigned a unique address such that each of , the consumer electronics devices is individually addressable via the telephone line. The consumer electronic devices communicate using a packet-based protocol, wherein each of the consumer electronic devices transmits analog signal bursts on telephone line. Each of the consumer electronic devices can include a wireless signal receiver, such that a first consumer electronic device can …
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 October 20, 1998 and granted August 19, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 20, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 20, 2020.
- 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.