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Official data from INPI

TRAVA PARA ESTEPE

Prazo de SigiloInvention Patent

Application data

Number

PI8903406

Type

Invention Patent

Filing

07/04/1989

Publication

01/08/1991

Progress at the INPI

  1. Filing07/04/89
  2. Publication01/08/91
  3. Examination04/27/93
  4. Allowance
  5. Grant
  6. In force

Published on 01/08/1991, 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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Indústria Mecânica e Artefatos de Metais Parva Ltda

SP, BR

Inventors

R. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

10/03/1989

RPI 989

15.7

01/28/1997

RPI 1365

15.15

12/26/1995

RPI 1308

Retificação

#15.3

08/29/1995

RPI 1291

Retificação

#15.6

03/21/1995

RPI 1268

15.5

11/08/1994

RPI 1249

Retificação

#15.3

06/14/1994

RPI 1228

Solicitação de exame técnico

#4.1

04/27/1993

RPI 1169

Publicação do pedido de patente

#3.1

01/08/1991

RPI 1049

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