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Official data from INPI

PRODUÇÃO DE FERRO FUNDIDO DE GRAFITA VERMICULAR.

Em AnáliseInvention Patent

Application data

Number

PI8008987

Type

Invention Patent

Filing

11/05/1980

Publication

10/20/1981

Progress at the INPI

  1. Filing11/05/80
  2. Publication10/20/81
  3. Examination10/19/82
  4. Allowance09/08/87
  5. Grant04/26/88
  6. Terminated09/26/89

The patent was granted on 04/26/1988 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Foseco Interntional Limited

Inventors

S. W. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

7943698 · 12/19/1979

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

04/26/1988

RPI 914

Notificação para pagamento de retribuição

#13.1

01/26/1988

RPI 901

Deferimento

#9.1

09/08/1987

RPI 881

Exigência - art. 36 da LPI

#6.1

03/17/1987

RPI 856

Conhecimento de parecer técnico

#7.1

06/11/1985

RPI 764

Exigência - art. 36 da LPI

#6.1

12/06/1983

RPI 685

Solicitação de exame técnico

#4.1

10/19/1982

RPI 626

Notificação de entrada na fase nacional - PCT

#1.3

10/20/1981

RPI 574

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