Method and apparatus for providing global communications interoperability
CA 2333958 A1 · Owner: Motorola, Inc. · Inventors: Sharrit, John Paul; Shepard, John Wayne
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An information transfer system (ITS) (10) is capable of providing interoperability among a large number of external communications systems that each use different signal formats. The ITS (10) includes a group of interface units having a plurality of wireless interface units (12a-12n) for converting between a plurality of wireless signal formats and a common signal format and a plurality of wired interface units (14a-14n) for converting between a plurality of wired signal formats and the common signal format. In addition the ITS (10) includes a switch (16) for selectively establishing connections between interface units in the group of interface units. Some or all of the interface …
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 May 28, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 28, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 28, 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.