Official data from INPI

SISTEMA DE SOLDAGEM POR ARCO

Em AnáliseInvention Patent

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Application data

Number

PI7905509

Type

Invention Patent

Filing

08/28/1978

Publication

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Progress at the INPI

Filing08/28/78
Publication
Examination
Allowance05/18/82
Grant
Terminated04/12/94

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: 09/08/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LINCOLN ELECTRIC CO

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

09/08/1982

RPI 620

Deferimento

#9.1

05/18/1982

RPI 604

Anuidade - prazo legal encerrado

#18.2

04/12/1994

RPI 1219

From the same holder

APERFEICOAMENTO EM ELETRODO DE SOLDAGEM DO TIPO NUCLEADO DISPOSITIVO E PROCESSO DE SOLDAGEM ELETRICA CONJUNTO DE GERADOR AUTO-EXCITADO ACIONADO POR MOTOR DE COMBUSTAO INTERNA FONTE DE ENERGIA PARA SOLDAGEM A ARCO,CIRCUITO DE CONTROLE DE DISPARO E CIRCUITO DE PROTECAO

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