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Official data from INPI

APERFEIÇOAMENTO EM MÁQUINA EXTRUSORA

Em AnáliseInvention Patent

Application data

Number

PI8905947

Type

Invention Patent

Filing

11/13/1989

Publication

07/31/1990

Progress at the INPI

  1. Filing11/13/89
  2. Publication07/31/90
  3. Examination02/05/91
  4. Allowance
  5. Grant
  6. In force

Published on 07/31/1990, 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: 05/17/1994. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J. G. (pessoa física)

SP, BR

Inventors

J. G. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

05/17/1994

RPI 1224

15.5

09/08/1993

RPI 1188

Solicitação de exame técnico

#4.1

02/05/1991

RPI 1053

Publicação antecipada

#3.2

07/31/1990

RPI 1026

Pedido de patente depositado

#2.1

03/20/1990

RPI 1010

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