Official data from INPI

PROCESSO PARA REDUZIR MINERIO DE FERRO PARTICULADO PARA PARTICULAS DE FERRO-ESPONJA

ArquivadaInvention Patent

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Application data

Number

PI8005544

Type

Invention Patent

Filing

09/04/1979

Publication

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Progress at the INPI

Filing09/04/79
Publication
Examination
Allowance02/14/84
Abandoned
In force

The application was allowed on 02/14/1984 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: 02/20/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HYLSA SA [MX]

Inventors

P. J. (pessoa física)

Technical data

IPC Classification

C21B 13/00 C22B 5/12

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

02/20/1985

RPI 748

Notificação para pagamento de retribuição

#13.1

06/05/1984

RPI 711

Republicação - classificação IPC

#15.11

02/21/1984

RPI 696

Deferimento

#9.1

02/14/1984

RPI 695

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SEM TITULO VALVULA GIRATORIA

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