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Official data from INPI

PROCESSO DE MOLDAGEM DE LINGOTES DE FERRO-LIGAS E DISPOSITIVO PARA A REALIZAÇÃO DO MESMO

DeferidaInvention Patent
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Application data

Number

PI8404557

Type

Invention Patent

Filing

01/06/1984

Publication

12/11/1984
View on INPI

Progress at the INPI

  1. Filing01/06/84
  2. Publication12/11/84
  3. Examination08/19/86
  4. Allowance08/22/89
  5. Grant03/20/90
  6. Terminated03/03/92

The patent was granted on 03/20/1990 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: 08/22/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Societe Française D'Electrometallurgie "SOFREM", sociedade anônima francesa

FR

Inventors

L. S. (pessoa física)

FR

M. D. (pessoa física)

Technical data

IPC Classification

B22C 9/06B22D 27/04B22D 5/00B22D 7/06

Priority claims

FR

83 00474 · 01/06/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

08/22/1989

RPI 983

6.2

08/09/1988

RPI 929

Solicitação de exame técnico

#4.1

08/19/1986

RPI 826

Notificação de entrada na fase nacional - PCT

#1.3

12/11/1984

RPI 738

Anuidade - prazo legal encerrado

#18.2

03/03/1992

RPI 1109

Concessão da patente

#16.1

03/20/1990

RPI 1010

Notificação para pagamento de retribuição

#13.1

01/09/1990

RPI 1001

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