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Official data from INPI

APARELJO PARA TROCAR A DISTRIBUICAO DE CARGA EM UM ALTO-FORNO

Em AnáliseInvention Patent

Application data

Number

PI8002687

Type

Invention Patent

Filing

05/02/1979

Publication

-

Progress at the INPI

  1. Filing05/02/79
  2. Publication
  3. Examination
  4. Allowance06/26/84
  5. Grant03/26/85
  6. Terminated09/26/89

The patent was granted on 03/26/1985 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NIPPON STEEL CORP

NITTETSU PLANT DESIGNING CORP

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Inventors

K. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

09/26/1989

RPI 988

Concessão da patente

#16.1

03/26/1985

RPI 753

Notificação para pagamento de retribuição

#13.1

12/11/1984

RPI 738

9.1.3

08/07/1984

RPI 720

Deferimento

#9.1

06/26/1984

RPI 714

Exigência - art. 36 da LPI

#6.1

11/29/1983

RPI 684

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