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Canadian application, no grantCanada

Java runtime system with modified constant pool

CA 2322686 A1 · Owner: International Business Machines Corporation · Inventors: Baentsch, Michael; Oestreicher, Marcus; Buhler, Peter

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 Java runtime system is proposed which comprises a stack-based interpreter executing a program that comprises bytecodes and class structures. The system further comprises a modified constant pool with internal information of use only during linking and with external information to be preserved for late code binding. The internal information is removed from the modified constant pool after linking.

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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 November 12, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 12, 2018.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 12, 2020.
  • 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 12, 1998
GrantedNo grant recorded
Term endedNovember 12, 2018
Patent numberCA 2322686 A1
Classification (IPC)G06F9/44

Timeline

Timeline From CIPO dates

1999200120032005200720092011201320152017Application filedNov 12, 1998Term endedNov 12, 2018

Sources & verification

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