Official data from INPI

PROCESSO PARA REGULAR A VELOCIDADE DE MARCHA DE CORREIAS DE SINTERIZACAO DA SINTERIZACAO DE MATERIAIS FINAMENTE GRANULADOS CONTENDO OXIDO DE FERRO

Em AnáliseInvention Patent

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Application data

Number

PI7606278

Type

Invention Patent

Filing

09/24/1975

Publication

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Progress at the INPI

Filing09/24/75
Publication
Examination
Allowance
Grant
Terminated07/12/88

The patent was granted 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ARBED

METALLGESELLSCHAFT AG

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

22.0

06/29/1982

RPI 610

From the same holder

PROCESSO DE AFINACAO DE UM BANHO DE METAL NUM CADINHO COM INSUFLACAO DE OXIGENIO POR CIMA, E CADINHO PARA REALIZACAO DO MESMO PROCESSO PARA GRANULACAO DE ESCORIA METALURGICA,LIQUIDA EM FUSAO,E AREIA SIDERURGICA ASSIM OBTIDA

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