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Official data from INPI

PROCESSO PARA SUBSTITUIÇÃO PARCIAL DAS FUNÇÕES DOS COMBUSTÍVEIS AUXILIARES EM EQUIPAMENTOS SIDERÚRGICOS

IndeferidaInvention Patent
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Application data

Number

PI8206554

Type

Invention Patent

Filing

11/11/1982

Publication

06/19/1984
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Progress at the INPI

  1. Filing11/11/82
  2. Publication06/19/84
  3. Examination10/01/85
  4. Refused01/22/91
  5. Grant
  6. In force

The application was refused on 01/22/1991 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

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Latest action published by the INPI: 10/03/1989. 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

G. A. (pessoa física)

M. J. (pessoa física)

Technical data

IPC Classification

C21B 7/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

10/03/1989

RPI 989

Conhecimento de parecer técnico

#7.1

03/28/1989

RPI 962

Retificação

#15.6

02/09/1988

RPI 903

Retificação

#15.3

10/20/1987

RPI 887

Solicitação de exame técnico

#4.1

10/01/1985

RPI 780

Publicação do pedido de patente

#3.1

06/19/1984

RPI 713

Pedido de patente depositado

#2.1

12/27/1983

RPI 688

Republicação - classificação IPC

#15.11

02/26/1991

RPI 1056

111

01/22/1991

RPI 1051

Petição de recurso

#12.2

05/08/1990

RPI 1017

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