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Official data from INPI

APARELHO PARA A DESGASEIFICAÇÃO E A FILTRAÇÃO DE METAIS LÍQUIDOS

PublicadaInvention Patent
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Application data

Number

PI8802372

Type

Invention Patent

Filing

05/17/1988

Publication

12/13/1988
View on INPI

Progress at the INPI

  1. Filing05/17/88
  2. Publication12/13/88
  3. Examination03/19/91
  4. Allowance
  5. Grant
  6. In force

Published on 12/13/1988, 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: 12/13/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Aluminia S.p.A.

IT

Inventors

G. L. (pessoa física)

IT

L. P. (pessoa física)

IT

Technical data

IPC Classification

C22B 9/05

Priority claims

IT

20578 A/87 · 05/19/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/13/1988

RPI 947

Pedido de patente depositado

#2.1

10/25/1988

RPI 940

Retificação

#15.3

05/24/1994

RPI 1225

Solicitação de exame técnico

#4.1

03/19/1991

RPI 1059

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