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Official data from INPI

PROCESSO PARA OPERAR UM CONVERSOR DE ACO,PROCESSO PARA PROVER E MANTER UM REVESTIMENTO DE DESGASTE DE UM CONVERSOR DE ACO,E CONVERSOR DE ACO TENDO UM TAL REVESTIMENTO

ConcedidaInvention Patent

Application data

Number

PI7904491

Type

Invention Patent

Filing

07/14/1978

Publication

-

Progress at the INPI

  1. Filing07/14/78
  2. Publication
  3. Examination
  4. Allowance01/03/84
  5. Grant06/26/84
  6. Terminated09/25/90

The patent was granted on 06/26/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 06/26/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HOOGOVENS IJMUIDEN BV

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Inventors

S. A. (pessoa física)

V. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/26/1984

RPI 714

Notificação para pagamento de retribuição

#13.1

04/24/1984

RPI 705

Deferimento

#9.1

01/03/1984

RPI 689

Exigência - art. 36 da LPI

#6.1

05/11/1982

RPI 603

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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