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Official data from INPI

PROCESSO PARA OBTENÇÃO DE FERRO FUNDIDO VERMICULAR.

Em AnáliseInvention Patent

Application data

Number

PI8503064

Type

Invention Patent

Filing

06/26/1985

Publication

02/03/1987

Progress at the INPI

Under appeal
  1. Filing06/26/85
  2. Publication02/03/87
  3. Examination05/09/89
  4. Refused03/02/93
  5. Grant
  6. In force

The application was refused by the INPI on 03/02/1993. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 05/09/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Usinas Siderúrgicas de Minas Gerais S/A-USIMINAS

MG, BR

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Inventors

E. S. (pessoa física)

BR

R. F. (pessoa física)

BR

W. D. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/09/1989

RPI 968

4.2.1

01/31/1989

RPI 954

Solicitação de exame não realizada

#4.2

08/09/1988

RPI 929

Publicação do pedido de patente

#3.1

02/03/1987

RPI 850

Pedido de patente depositado

#2.1

09/10/1985

RPI 777

Indeferimento

#9.2

03/02/1993

RPI 1161

Conhecimento de parecer técnico

#7.1

01/21/1992

RPI 1103

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