Method and system for interrupt-responsive execution of communications protocols
CA 2126174 C · Owner: Microsoft Corporation · Inventors: Thielen, David
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and system for interrupt-responsive execution of a communications protocol which obtains data sent by a sending computer a receiving computer via a communications interface. An interrupt handler routine is provided which includes the communications protocol. When data requested by an application executing on the receiving computer is received by the communications interface an interrupt is sent by the communications interface to the CPU in the receiving computer. When this interrupt is received the interrupt handler routine is immediately accessed and executed to timely execute the communications protocol. As a result the communications protocol obtains the data from the …
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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 June 17, 1994 and granted January 21, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 17, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 17, 2016.
- 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.