Official data from INPI

PROCESSO E APARELHO PARA A OXIDACAO BACTERIOLOGICA DE UMA SOLUCAO DE SAL FERROSO

ConcedidaInvention Patent

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Application data

Number

PI7706765

Type

Invention Patent

Filing

10/18/1976

Publication

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Progress at the INPI

Filing10/18/76
Publication
Examination
Allowance03/01/83
Grant07/26/83
Terminated10/30/90

The patent was granted on 07/26/1983 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: 07/26/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GEN MINING & FINANCE CORP

Inventors

L. E. (pessoa física)

Technical data

IPC Classification

C01G 49/00 C22B 3/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/26/1983

RPI 666

Notificação para pagamento de retribuição

#13.1

06/21/1983

RPI 661

Deferimento

#9.1

03/01/1983

RPI 645

Exigência - art. 36 da LPI

#6.1

12/29/1981

RPI 584

Anuidade - prazo legal encerrado

#18.2

10/30/1990

RPI 1039

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