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Expired Canadian patentCanada

Processor controlled interface with instruction streaming

CA 1332248 C · Owner: Silicon Graphics, Inc. · Inventors: Hudson, Edwin L.; Riordan, Thomas J.; Ries, Paul S.

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

A processor controlled interface between a processor, instruction cache, and main memory provides for simultaneously refilling the cache with an instruction block from main memory and processing the instructions in the block while they are being written to the cache.

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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 4, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 4, 2011.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 25, 1989
GrantedOctober 4, 1994
Term endedOctober 4, 2011
Patent numberCA 1332248 C
Classification (IPC)G06F12/12 +2 more

Timeline

Timeline From CIPO dates

19901993199619992002200520082011Application filedSep 25, 1989Patent grantedOct 4, 1994Term endedOct 4, 2011

Sources & verification

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