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Official data from INPI

PROCESSO PARA A PRODUÇÃO DE FIBRAS DE CELULOSE E FIBRA DE CELULOSE

Arquivada/ExtintaInvention PatentPCT · AT1996000188

Application data

Number

PI9606687

Type

Invention Patent

Filing

10/08/1996

Publication

11/25/1997

PCT

AT1996000188

Progress at the INPI

  1. Filing10/08/96
  2. Publication11/25/97
  3. Examination
  4. Allowance05/13/03
  5. Grant08/19/03
  6. Expired11/08/16

The letters patent expired on 11/08/2016: 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: 11/08/2016. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

L. A. (pessoa física)

AT

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Inventors

D. E. (pessoa física)

AT

M. E. (pessoa física)

AT

Technical data

IPC Classification

Priority claims

AT

1703/95 · 10/13/1995

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 08/10/2016

11/08/2016

RPI 2392

Concessão da patente

#16.1

08/19/2003

RPI 1702

Deferimento

#9.1

05/13/2003

RPI 1688

Exigência - art. 36 da LPI

#6.1

12/31/2002

RPI 1669

Notificação de entrada na fase nacional - PCT

#1.3

11/25/1997

RPI 1408

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