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Official data from INPI

MINITUNEL DE AVANÇO SOB PRESSÃO PARA CANALIZAÇÃO SUBTERRANEAS DE PEQUENOS DIÂMETROS

Em AnáliseInvention Patent

Application data

Number

PI9006012

Type

Invention Patent

Filing

11/22/1990

Publication

07/23/1991

Progress at the INPI

  1. Filing11/22/90
  2. Publication07/23/91
  3. Examination03/24/92
  4. Allowance
  5. Grant
  6. In force

Published on 07/23/1991, 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: 03/26/1996. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Construtora Civil e Industrial S/A Concisa

SP, BR

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Inventors

C. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

03/26/1996

RPI 1321

Solicitação de exame técnico

#4.1

03/24/1992

RPI 1112

Publicação antecipada

#3.2

07/23/1991

RPI 1077

Pedido de patente depositado

#2.1

05/14/1991

RPI 1067

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