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Official data from INPI

PROCESSO PARA A FOSFATAÇÃO DE SUPERFÍCIES DE FERRO E AÇO E APLICAÇÃO.

Em AnáliseInvention Patent

Application data

Number

PI9004117

Type

Invention Patent

Filing

08/21/1990

Publication

09/03/1991

Progress at the INPI

  1. Filing08/21/90
  2. Publication09/03/91
  3. Examination10/13/92
  4. Allowance
  5. Grant
  6. In force

Published on 09/03/1991, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 01/28/1997. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. A. (pessoa física)

DE

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Inventors

D. H. (pessoa física)

DE

D. M. (pessoa física)

G. M. (pessoa física)

DE

H. G. (pessoa física)

DE

W. R. (pessoa física)

DE

Technical data

Priority claims

DE

P 39 27 614.7 · 08/22/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

01/28/1997

RPI 1365

Solicitação de exame técnico

#4.1

10/13/1992

RPI 1141

Publicação do pedido de patente

#3.1

09/03/1991

RPI 1083

Pedido de patente depositado

#2.1

02/26/1991

RPI 1056

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