Official data from INPI

PROCESSO PARA PRODUCAO DE CORPOS SEMICONDUTIVOS EM PERFIL PERIFERICO DEFINIDO OBTIDO POR CAUTERIZACAO E COBERTO COM VIDRO

Em AnáliseInvention Patent

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Application data

Number

PI7807597

Type

Invention Patent

Filing

11/18/1977

Publication

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Progress at the INPI

Filing11/18/77
Publication
Examination
Allowance03/02/82
Grant
Terminated06/14/88

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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. G. (pessoa física)

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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).

Anuidade - prazo legal encerrado

#18.2

06/14/1988

RPI 921

Notificação para pagamento de retribuição

#13.1

06/22/1982

RPI 609

Deferimento

#9.1

03/02/1982

RPI 593

From the same holder

TIRISTOR UNIDADE SEMICONDUTORA CONJUNTO DE SEMICONDUTORES ARRANJO SEMICONDUTIVO PROCESSO PARA O TRATAMENTO SUPERFICIAL ESTABILIZANTE DE CORPOS SEMI-CONDUTORES PROCESSO PARA PRODUCAO DE CORPOS SEMI-CONDUTORES ARRANJO DE CONDUTORES ELETRICOS

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