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Official data from INPI

TUBULAÇÃO APERFEIÇOADA PARA CONDUÇÃO DE LÍQUIDOS E GASES E PROCESSO DE FABRICAÇÃO DA MESMA

PublicadaInvention Patent

Application data

Number

PI8802782

Type

Invention Patent

Filing

06/08/1988

Publication

12/20/1988

Progress at the INPI

  1. Filing06/08/88
  2. Publication12/20/88
  3. Examination02/06/90
  4. Allowance
  5. Grant
  6. In force

Published on 12/20/1988, 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: 12/20/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. A. (pessoa física)

RJ, BR

Inventors

C. B. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação antecipada

#3.2

12/20/1988

RPI 948

Pedido de patente depositado

#2.1

11/01/1988

RPI 941

Republicação - classificação IPC

#15.11

01/26/2010

RPI 2038

Retificação

#15.3

09/19/1995

RPI 1294

Solicitação de exame técnico

#4.1

02/06/1990

RPI 1005

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