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Official data from INPI

PROCESSO DE INSTALAÇÃO DE CHAPAS DE PROTEÇÃO EM GOELAS DE ALTOS-FORNOS

Em AnáliseInvention Patent

Application data

Number

PI8604058

Type

Invention Patent

Filing

08/26/1986

Publication

04/26/1988

Progress at the INPI

  1. Filing08/26/86
  2. Publication04/26/88
  3. Examination08/09/88
  4. Allowance07/12/94
  5. Abandoned
  6. In force

The application was allowed on 07/12/1994 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

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

Usinas Siderurgicas de Minas Gerais S/A. _ USIMINAS (Grupo Siderbras)

MG, BR

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Inventors

J. M. (pessoa física)

BR

N. N. (pessoa física)

BR

R. A. (pessoa física)

BR

R. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/09/1988

RPI 929

Publicação do pedido de patente

#3.1

04/26/1988

RPI 914

Pedido de patente depositado

#2.1

09/15/1987

RPI 882

Arquivamento - Art. 38 §2° da LPI

#11.4

05/02/1995

RPI 1274

Notificação para pagamento de retribuição

#13.1

11/15/1994

RPI 1250

Deferimento

#9.1

07/12/1994

RPI 1232

15.5

09/14/1993

RPI 1189

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