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Official data from INPI

PROCESSO PARA INIBIRA CORROSAO DE UMA SUPERFICIE DE METAL EM UM SISTEMA AQUOSO

Em ExigênciaInvention Patent
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Application data

Number

PI8404652

Type

Invention Patent

Filing

09/15/1983

Publication

08/06/1985
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Progress at the INPI

  1. Filing09/15/83
  2. Publication08/06/85
  3. Abandoned08/11/87
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 09/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BRITISH PETROLEUM CO PLC [GB]

Inventors

G. F. (pessoa física)

M. J. (pessoa física)

Technical data

IPC Classification

C23F 11/18

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

09/05/1989

RPI 985

6.2

08/02/1988

RPI 928

Pedido de certificado de adição de invenção

#5.1

09/29/1987

RPI 884

Solicitação de exame técnico

#4.1

08/11/1987

RPI 877

Publicação do pedido de patente

#3.1

08/06/1985

RPI 772

Pedido de patente depositado

#2.1

11/27/1984

RPI 736

Arquivamento - Art. 36 §1° da LPI

#11.2

04/10/1990

RPI 1013

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