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Expired Canadian patentCanada

Memory module selection and reconfiguration apparatus in a data processing system

CA 1191273 A · Owner: Honeywell Information Systems Italia S.P.A. · Inventors: Zanzottera, Daniele; Mantellina, Calogero; Gelmetti, Marco

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Abstract From the Canadian patent

Memory module selection and reconfiguration apparatus in a data processing system wherein a modular working memory formed by a plurality of memory modules sends during the system initialization to a central processing unit information related to the capacities of the constituting modules. The central unit processes such information and provides the memory with a set of information representative of the capacity of the first module of the sum of, the capacities of the first and second modules of the sum of the, capacities of the first second and third modules and so on, up to the total capacity of the working memory. This information set is stored in registers, each related to a respective …

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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 July 30, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 30, 2002.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 23, 1982
GrantedJuly 30, 1985
Term endedJuly 30, 2002
Patent numberCA 1191273 A
Classification (IPC)G06F12/06

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Timeline From CIPO dates

1983198519871989199119931995199719992001Application filedNov 23, 1982Patent grantedJuly 30, 1985Term endedJuly 30, 2002

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