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Official data from INPI

PESQUISA DE CÓDIGO ALGÉBRICO DEPTH-FIRST PARA CODIFICAÇÃO RÁPIDA DA FALA

Arquivada/ExtintaInvention PatentPCT · CA1996000135

Application data

Number

PI9607144

Type

Invention Patent

Filing

03/05/1996

Publication

11/25/1997

PCT

CA1996000135

Progress at the INPI

  1. Filing03/05/96
  2. Publication11/25/97
  3. Examination
  4. Allowance03/12/02
  5. Grant08/20/02
  6. Expired05/03/16

The letters patent expired on 05/03/2016: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 03/27/2018. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. S. (pessoa física)

CA

Inventors

C. L. (pessoa física)

CA

J. A. (pessoa física)

CA

Technical data

Priority claims

US

08/401,785 · 03/10/1995

US

08/509,525 · 07/31/1995

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: G10L 9/14; G10L 9/06; G10L 7/08; G10L 5/06.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

Patente extinta em 05/03/2016

05/03/2016

RPI 2365

Concessão da patente

#16.1

08/20/2002

RPI 1650

Deferimento

#9.1

03/12/2002

RPI 1627

Notificação de entrada na fase nacional - PCT

#1.3

11/25/1997

RPI 1408

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