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Official data from INPI

APERFEIÇOAMENTO EM DISCOS PARA REFINADORES DE POLPA PARA PAPEL E SIMILARES

Em AnáliseInvention Patent

Application data

Number

PI8606593

Type

Invention Patent

Filing

12/23/1986

Publication

09/29/1987

Progress at the INPI

  1. Filing12/23/86
  2. Publication09/29/87
  3. Examination11/03/87
  4. Refused10/05/93
  5. Grant
  6. In force

The application was refused on 10/05/1993 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 03/08/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Inox Indústria e Comércio de Aço Ltda

SP, BR

Inventors

J. C. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de certificado de adição de invenção

#5.1

03/08/1988

RPI 907

Solicitação de exame técnico

#4.1

11/03/1987

RPI 889

Publicação antecipada

#3.2

09/29/1987

RPI 884

Pedido de patente depositado

#2.1

04/28/1987

RPI 862

111

10/05/1993

RPI 1192

Petição de recurso

#12.2

01/05/1993

RPI 1153

Indeferimento

#9.2

09/15/1992

RPI 1137

Conhecimento de parecer técnico

#7.1

12/03/1991

RPI 1096

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