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Official data from INPI

COMPOSICAO E PROCESSO DE REVESTIMENTO COM BASE EM AGUA,E ESTRUTURA COMPOSITA QUE COMPREENDE A COMPOSICAO

PublicadaInvention Patent
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Application data

Number

PI8704784

Type

Invention Patent

Filing

09/16/1987

Publication

05/17/1988
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Progress at the INPI

  1. Filing09/16/87
  2. Publication05/17/88
  3. Abandoned10/23/90
  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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BRITISH PETROLEUM CO PLC [GB]

Inventors

P. G. (pessoa física)

Technical data

IPC Classification

C23C 20/04C23F 11/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/17/1988

RPI 917

Pedido de patente depositado

#2.1

12/01/1987

RPI 893

Arquivamento - Art. 36 §1° da LPI

#11.2

06/30/1992

RPI 1126

Exigência - art. 36 da LPI

#6.1

10/01/1991

RPI 1087

Solicitação de exame técnico

#4.1

10/23/1990

RPI 1038

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