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Official data from INPI

KIT PARA ACOPLAMENTO DE TUBOS DESTINADOS Ã SUSTENTAÇÃO DE BOMBAS HIDRÁULICAS SUBMERSAS

Prazo de SigiloInvention Patent
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Application data

Number

PI8806863

Type

Invention Patent

Filing

12/20/1988

Publication

08/07/1990
View on INPI

Progress at the INPI

  1. Filing12/20/88
  2. Publication08/07/90
  3. Examination06/11/91
  4. Allowance
  5. Grant
  6. In force

Published on 08/07/1990, 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: 05/02/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Coperson Poços Artesianos Ltda

PE, BR

Tiletron S/A. Indústria de Plásticos

PE, BR

Inventors

A. W. (pessoa física)

Technical data

IPC Classification

F16L 47/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

05/02/1989

RPI 967

Retificação

#15.3

10/24/1995

RPI 1299

14.1

04/27/1993

RPI 1169

Conhecimento de parecer técnico

#7.1

03/16/1993

RPI 1163

Solicitação de exame técnico

#4.1

06/11/1991

RPI 1071

Publicação do pedido de patente

#3.1

08/07/1990

RPI 1027

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