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Official data from INPI

PLATAFORMA FLUTUANTE ESTABILIZADA COM COLUNAS PARA UTILIZAÇÃO EM ÁGUAS PROFUNDAS, SISTEMA ESTABILIZADOR DE MASSA ADICIONADA PARA USO NA RETENÇÃO DE UMA PLATAFORMA FLUTUANTE ESTABILIZADA COM COLUNAS

Prazo de SigiloInvention Patent

Application data

Number

PI8904137

Type

Invention Patent

Filing

08/17/1989

Publication

04/10/1990

Progress at the INPI

  1. Filing08/17/89
  2. Publication04/10/90
  3. Examination08/04/92
  4. Allowance
  5. Grant
  6. In force

Published on 04/10/1990, 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: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Conoco Inc

US

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Inventors

D. K. (pessoa física)

Z. D. (pessoa física)

Technical data

IPC Classification

Priority claims

US

235.136 · 08/22/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

11/28/1989

RPI 997

Retificação

#15.3

08/16/1994

RPI 1237

Solicitação de exame técnico

#4.1

08/04/1992

RPI 1131

Publicação do pedido de patente

#3.1

04/10/1990

RPI 1013

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