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Official data from INPI

SISTEMA DE PERFURAÇÃO PETROLÍFERA SUBMARINA PARA ÁGUAS PROFUNDAS, COM SONDA INSTALADA NO FUNDO DO MAR DENTRO DE CÂMARA DE CAPSULA ESPOLETA DE VAI E VEM, DA PLATAFORMA FLUTUANTE.

Em AnáliseInvention Patent

Application data

Number

PI8705186

Type

Invention Patent

Filing

04/21/1987

Publication

05/17/1988

Progress at the INPI

  1. Filing04/21/87
  2. Publication05/17/88
  3. Examination07/05/88
  4. Allowance
  5. Grant
  6. In force

Published on 05/17/1988, 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: 07/05/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. B. (pessoa física)

Inventors

A. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

07/05/1988

RPI 924

Publicação antecipada

#3.2

05/17/1988

RPI 917

Pedido de patente depositado

#2.1

12/22/1987

RPI 896

15.4

06/25/1991

RPI 1073

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