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Official data from INPI

PROCESSO DE POLPAÇÃO DE ALTO RENDIMENTO PARA MATERIAL LIGNOCELULÓSICO EM FORMA DE CAVACOS

Em AnáliseInvention Patent

Application data

Number

PI8606875

Type

Invention Patent

Filing

08/13/1986

Publication

11/03/1987

Progress at the INPI

  1. Filing08/13/86
  2. Publication11/03/87
  3. Examination11/22/88
  4. Allowance02/22/94
  5. Grant10/25/94
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 11/22/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Kimberly-Clark Tissue Company

US

Kimberly - Clark Worldwide, INC.

US

Scott Paper Company

US

Inventors

H. W. (pessoa física)

US

V. J. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

778.457 · 09/20/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/22/1988

RPI 944

Notificação de entrada na fase nacional - PCT

#1.3

11/03/1987

RPI 889

Carta-patente expirada

#21.1

Patente extinta em 13/08/2001

07/22/2008

RPI 1959

Transferência deferida

#25.1

Transferido de: Kimberly-Clark Tissue Company

11/24/1998

RPI 1455

Alteração de nome deferida

#25.4

Alterado de: Scott Paper Company

11/03/1998

RPI 1452

Concessão da patente

#16.1

10/25/1994

RPI 1247

Notificação para pagamento de retribuição

#13.1

08/16/1994

RPI 1237

9.1.3

04/19/1994

RPI 1220

Deferimento

#9.1

02/22/1994

RPI 1212

Exigência - art. 36 da LPI

#6.1

03/09/1993

RPI 1162

Exigência - art. 36 da LPI

#6.1

12/03/1991

RPI 1096

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