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Official data from INPI

PROCESSO PARA PRODUZIR FIBRAS CELULOSICAS RETICULADAS, INDIVIDUALIZADAS

Arquivada/ExtintaInvention Patent

Application data

Number

PI9005634

Type

Invention Patent

Filing

11/07/1990

Publication

09/17/1991

Progress at the INPI

  1. Filing11/07/90
  2. Publication09/17/91
  3. Examination12/14/93
  4. Allowance10/19/99
  5. Grant05/16/00
  6. Expired05/21/13

The letters patent expired on 05/21/2013: 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: 05/21/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Procter & Gamble Cellulose Company

US

The Procter & Gamble Company

US

Inventors

B. H. (pessoa física)

US

C. H. (pessoa física)

US

D. C. (pessoa física)

US

T. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

432.709 · 11/07/1989

US

596.606 · 10/17/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 07/11/2010

05/21/2013

RPI 2211

Concessão da patente

#16.1

05/16/2000

RPI 1532

Republicação - classificação IPC

#15.11

Alterada a Classificação para Int.Cl.6 D21H 11/20.

10/19/1999

RPI 1502

Deferimento

#9.1

10/19/1999

RPI 1502

Exigência - art. 36 da LPI

#6.1

06/08/1999

RPI 1483

Solicitação de exame técnico

#4.1

12/14/1993

RPI 1202

14.1

04/20/1993

RPI 1168

Publicação do pedido de patente

#3.1

09/17/1991

RPI 1085

Pedido de patente depositado

#2.1

04/23/1991

RPI 1064

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