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Official data from INPI

PROCESSO DE PRODUÇÃO DE AGREGADO ARTIFICIAL E O AGREGADO

Em AnáliseInvention Patent
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Application data

Number

PI9100355

Type

Invention Patent

Filing

01/29/1991

Publication

08/20/1991
View on INPI

Progress at the INPI

  1. Filing01/29/91
  2. Publication08/20/91
  3. Examination10/08/91
  4. Allowance
  5. Grant
  6. In force

Published on 08/20/1991, 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: 09/23/1997. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. A. (pessoa física)

SP, BR

C. B. (pessoa física)

SP, BR

H. R. (pessoa física)

SP, BR

Inventors

A. A. (pessoa física)

BR

C. B. (pessoa física)

BR

H. R. (pessoa física)

BR

Technical data

IPC Classification

C04B 20/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

09/23/1997

RPI 1399

14.1

04/27/1993

RPI 1169

Solicitação de exame técnico

#4.1

10/08/1991

RPI 1088

Pedido de patente depositado

#2.1

08/20/1991

RPI 1081

Publicação antecipada

#3.2

08/20/1991

RPI 1081

Pedido de patente depositado

#2.1

08/06/1991

RPI 1079

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