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Official data from INPI

APARELHO PARA DETERMINAÇÃO RÁPIDA DE ALUMÍNIO SOLÚVEL EM AÇOS.

Em AnáliseInvention Patent

Application data

Number

PI8506355

Type

Invention Patent

Filing

12/18/1985

Publication

07/07/1987

Progress at the INPI

Under appeal
  1. Filing12/18/85
  2. Publication07/07/87
  3. Examination03/29/94
  4. Refused12/05/95
  5. Grant
  6. In force

The application was refused by the INPI on 12/05/1995. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 08/09/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Universidade de São Paulo - USP

SP, BR

Usinas Siderúrgicas de Minas Gerais S/A - Usiminas

MG, BR

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Inventors

C. C. (pessoa física)

BR

E. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame não realizada

#4.2

08/09/1988

RPI 929

Publicação do pedido de patente

#3.1

07/07/1987

RPI 872

Pedido de patente depositado

#2.1

06/10/1986

RPI 816

Indeferimento

#9.2

12/05/1995

RPI 1305

Solicitação de exame técnico

#4.1

03/29/1994

RPI 1217

14.1

03/01/1994

RPI 1213

Solicitação de exame não realizada

#4.2

10/13/1993

RPI 1193

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