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Canadian application, no grantCanada

Object-oriented rule-based protocol system

CA 2178583 A1 · Owner: Object Technology Licensing Corporation · Inventors: Pettus, Christopher Edward

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

On a multi-node client server network, a client node obtains access to remote services by means of a communications directory service located in each node of the network. The communications directory service includes a tree structure to which existing directory services and other network services can be added. The tree structure has a plurality of nodes each of which includes specific methods that query and browse the associated directory service if such actions are supported by the underlying service. The communications directory service further includes shared libraries which store a service object associated with each service offered on the network. The service object in, turn, includes …

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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 April 11, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 11, 2014.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 11, 2016.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 11, 1994
GrantedNo grant recorded
Term endedApril 11, 2014
Patent numberCA 2178583 A1
Classification (IPC)H04L67/13 +2 more

Timeline

Timeline From CIPO dates

1995199719992001200320052007200920112013Application filedApril 11, 1994Term endedApril 11, 2014

Sources & verification

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