Official data from INPI

LIGA DE FERRO-SILÍCIO COM MAGNÉSIO E USO DA MESMA NA FABRICAÇÃO DE FERRO FUNDIDO NODULAR.

Em AnáliseInvention Patent

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Application data

Number

PI8307052

Type

Invention Patent

Filing

03/28/1983

Publication

04/17/1984

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Progress at the INPI

Filing03/28/83
Publication04/17/84
Examination10/29/85
Allowance05/16/89
Abandoned
In force

The application was allowed on 05/16/1989 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

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Latest action published by the INPI: 09/12/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Foote Mineral Company

Inventors

D. [. (pessoa física)

Technical data

IPC Classification

C22C 33/08

Priority claims

370.185 · 04/21/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

09/12/1989

RPI 986

Deferimento

#9.1

05/16/1989

RPI 969

Exigência - art. 36 da LPI

#6.1

11/16/1988

RPI 943

14.1

12/09/1986

RPI 842

Solicitação de exame técnico

#4.1

10/29/1985

RPI 784

Notificação de entrada na fase nacional - PCT

#1.3

04/17/1984

RPI 704

Arquivamento - Art. 38 §2° da LPI

#11.4

06/19/1990

RPI 1023

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