Official data from INPI

SISTEMA E PROCESSO DE FILTRAÇÃO DE METAL EM FUSÃO

Em AnáliseInvention Patent

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Application data

Number

PI9001466

Type

Invention Patent

Filing

03/29/1990

Publication

04/16/1991

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Progress at the INPI

Filing03/29/90
Publication04/16/91
Examination06/18/91
Allowance
Grant
In force

Published on 04/16/1991, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

Latest action published by the INPI: 11/28/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alusuisse-Lonza Services Ltd

Inventors

M. C. (pessoa física)

Technical data

IPC Classification

C22B 9/02

Priority claims

330,612 · 03/30/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

11/28/1995

RPI 1304

Solicitação de exame técnico

#4.1

06/18/1991

RPI 1072

Publicação do pedido de patente

#3.1

04/16/1991

RPI 1063

Pedido de patente depositado

#2.1

08/07/1990

RPI 1027

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