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Official data from INPI

PROCESSO DE RETIRADA DE UM REVESTIMENTO DE CONCRETO SOBRE UMA SUPERFÍCIE DOTADA DE UM REVESTIMENTO ANTI-CORROSÃO; FRESCA; E DISPOSITIVO PARA A APLICAÇÃO DO PROCESSO.

Em AnáliseInvention Patent

Application data

Number

PI8107361

Type

Invention Patent

Filing

11/12/1981

Publication

08/03/1982

Progress at the INPI

  1. Filing11/12/81
  2. Publication08/03/82
  3. Examination09/18/84
  4. Allowance04/16/85
  5. Grant10/01/85
  6. Terminated11/16/88

The patent was granted on 10/01/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 11/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Compagnie Française des Petroles S.A.

FR

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Inventors

C. C. (pessoa física)

H. G. (pessoa física)

M. L. (pessoa física)

S. D. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

80.24104 · 11/13/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/16/1988

RPI 943

Concessão da patente

#16.1

10/01/1985

RPI 780

Deferimento

#9.1

04/16/1985

RPI 756

Solicitação de exame técnico

#4.1

09/18/1984

RPI 726

Publicação do pedido de patente

#3.1

08/03/1982

RPI 615

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