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Expired Canadian patentCanada

Vehicle multiplex system

CA 1309196 C · Owner: Intellitec International Inc. · Inventors: Slavik, William H.

CIPO record

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

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Abstract From the Canadian patent

Vehicle Multiplex System, A time division multiplex system for motor vehicles and other applications in which data signals are adapted to be sent through the system in cyclical fashion during each of a series of time periods. The system includes a communication line, a master unit connected to the communication line which includes a pulse-generating circuit for sending a plurality of timing signals out over the line for defining a plurality of time slots during each time period and a, plurality of transceiver units connected to the communication line. Each of the transceiver units is operable in either a transmit mode or a receive mode and includes an address-decoding circuit for …

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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

  • Granted October 20, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 20, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 17, 1989
GrantedOctober 20, 1992
Term endedOctober 20, 2009
Patent numberCA 1309196 C
Classification (IPC)H04J3/00 +2 more

Timeline

Timeline From CIPO dates

1990199219941996199820002002200420062008Application filedAug 17, 1989Patent grantedOct 20, 1992Term endedOct 20, 2009

Sources & verification

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