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Official data from INPI

ELEMENTO DE COBERTURA PARA CONSTRUÇÕES

Prazo de SigiloInvention Patent

Application data

Number

PI8903666

Type

Invention Patent

Filing

07/19/1989

Publication

03/27/1990

Progress at the INPI

  1. Filing07/19/89
  2. Publication03/27/90
  3. Examination06/18/91
  4. Allowance
  5. Grant
  6. In force

Published on 03/27/1990, 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: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. R. (pessoa física)

GO, BR

Inventors

S. R. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

10/17/1989

RPI 991

Retificação

#15.3

07/26/1994

RPI 1234

Solicitação de exame técnico

#4.1

06/18/1991

RPI 1072

Publicação antecipada

#3.2

03/27/1990

RPI 1011

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