Official data from INPI

DISPOSITIVO DE PENEIRA VIBRATORIA

Em AnáliseInvention Patent

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Application data

Number

PI7707434

Type

Invention Patent

Filing

11/05/1976

Publication

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Progress at the INPI

Filing11/05/76
Publication
Examination
Allowance
Grant
Expired07/06/93

The letters patent expired on 07/06/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 06/08/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KOBE STEEL LTD

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Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

06/08/1982

RPI 607

Arquivamento - Art. 36 §1° da LPI

#11.2

02/16/1982

RPI 591

Carta-patente expirada

#21.1

07/06/1993

RPI 1179

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PROCESSO DE REDUCAO DIRETA PARA PRODUCAO DE FERRO REDUZIDO PROCESSO PARA PRODUZIR PELOTAS DE MINERIO DE FERRO PROCESSO PARA CONTROLE DE SOPRAMENTO EM CONVERSOR PROCESSO E APARELHO DE MARCACAO BEM COMO ESTENCIL DISPOSITIVO PARA MARCAR PROCESSO DE BRITAMENTO PROCESSO E APARELHO PARA MUDANCA AUTOMATICA DE OPERACOES EM INSTALACAO DE SEPARACAO DE AR

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