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Expired Canadian patentCanada

Packet encrypton system and method

CA 2432322 C · Owner: Mosaid Technologies Incorporated · Inventors: Davis, Stephen J.; Low, Arthur John

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A processor has an input port for receiving packets of data to be processed for encryption. A master controller acts to analyse the packets and to provide a header including a list of processes to perform on the packet of data and an ordering thereof. The master controller is programmed with process related data relating to the overall processing function of the processor. The header is appended to the packet of data. the packet with the appended header information is stored within a buffer. A buffer controller acts to dtermine for each packet stored within the buffer based on the header within the packet a next processor to process the packet. The controller then provides 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 December 21, 2001 and granted July 24, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 21, 2021.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 21, 2023.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 21, 2001
GrantedJuly 24, 2012
Term endedDecember 21, 2021
Patent numberCA 2432322 C
Classification (IPC)H04L49/90 +2 more

Timeline

Timeline From CIPO dates

2002200420062008201020122014201620182020Application filedDec 21, 2001Patent grantedJuly 24, 2012Term endedDec 21, 2021

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.