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Official data from INPI

PROCESSO CONTÍNUO DE EXTRAÇÃO DE MAGNÉSIO DE COMPOSTOS CONTENDO ÓXIDO DE MAGNÉSIO E FORNO CONTÍNUO PARA SUA REALIZAÇÃO

Em AnáliseInvention Patent

Application data

Number

PI8802003

Type

Invention Patent

Filing

04/26/1988

Publication

11/29/1988

Progress at the INPI

Technical opinion to answer
  1. Filing04/26/88
  2. Publication11/29/88
  3. Examination05/08/90
  4. Allowance
  5. Grant
  6. In force

The INPI issued a technical opinion on patentability. The applicant must respond for examination to continue.

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Latest action published by the INPI: 10/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Societá Italiana Per Il Magnesio e Leche Di Magnesio S.p.A.

IT

Inventors

A. L. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

84129 A/87 · 05/08/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame não realizada

#4.2

10/10/1989

RPI 990

Publicação do pedido de patente

#3.1

11/29/1988

RPI 945

Pedido de patente depositado

#2.1

08/30/1988

RPI 932

Retificação

#15.3

10/10/1995

RPI 1297

Conhecimento de parecer técnico

#7.1

01/03/1995

RPI 1257

Solicitação de exame técnico

#4.1

05/08/1990

RPI 1017

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