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Official data from INPI

PROCESSO APERFEIÇOADO PARA A FABRICAÇÃO DE PAPEL, COMPOSIÇÃO DE ADITIVO PARA O ESTÁGIO ÚMIDO DE FABRICAÇÃO DE PAPEL, E PAPEL COM PROPRIEDADES DE SUPERFÍCIE APERFEIÇOADAS.

Em AnáliseInvention Patent

Application data

Number

PI7907487

Type

Invention Patent

Filing

11/19/1979

Publication

-

Progress at the INPI

  1. Filing11/19/79
  2. Publication
  3. Examination06/29/82
  4. Refused10/25/88
  5. Grant
  6. In force

The application was refused on 10/25/1988 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: 10/25/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

CPC International Inc.

US

See this company's full portfolio

Inventors

No inventors listed.

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

111

10/25/1988

RPI 940

Petição de recurso

#12.2

04/09/1985

RPI 755

Indeferimento

#9.2

12/26/1984

RPI 740

Conhecimento de parecer técnico

#7.1

02/07/1984

RPI 694

6.2

02/01/1983

RPI 641

Solicitação de exame técnico

#4.1

06/29/1982

RPI 610

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era D21H 3/28.

03/27/2018

RPI 2464

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