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Official data from INPI

PROCESSO PARA PRODUZIR PELOTAS DE MINERIO DE FERRO

Em AnáliseInvention Patent

Application data

Number

PI7708796

Type

Invention Patent

Filing

12/30/1977

Publication

-

Progress at the INPI

  1. Filing12/30/77
  2. Publication
  3. Examination
  4. Allowance09/27/83
  5. Grant03/27/84
  6. Terminated12/15/87

The patent was granted on 03/27/1984 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: 12/15/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KOBE STEEL LTD

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Inventors

A. K. (pessoa física)

K. M. (pessoa física)

O. M. (pessoa física)

T. K. (pessoa física)

T. O. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/15/1987

RPI 895

16.3

06/19/1984

RPI 713

Concessão da patente

#16.1

03/27/1984

RPI 701

Notificação para pagamento de retribuição

#13.1

01/17/1984

RPI 691

Deferimento

#9.1

09/27/1983

RPI 675

Exigência - art. 36 da LPI

#6.1

02/22/1983

RPI 644

15.0

12/15/1981

RPI 582

Exigência - art. 36 da LPI

#6.1

10/20/1981

RPI 574

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