Official data from INPI

PROCESSO E APARELHO PARA EVITAR A FORMACAO BACTERIAL DE SULFETO DE HIDROGENIO EM UM ESGOTO POR GRAVIDADE; E APARELHO PARA ASSOCIACAO COM UM ESGOTO POR GRAVIDADE

ArquivadaInvention Patent

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Application data

Number

PI8305538

Type

Invention Patent

Filing

10/07/1982

Publication

05/15/1984

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Progress at the INPI

Filing10/07/82
Publication05/15/84
Abandoned08/05/86
Allowance
Grant
In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 03/08/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BOC GROUP PLC [GB]

Inventors

G. E. (pessoa física)

J. P. (pessoa física)

Technical data

IPC Classification

C02F 1/72

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

03/08/1988

RPI 907

6.2

03/04/1987

RPI 854

Solicitação de exame técnico

#4.1

08/05/1986

RPI 824

Publicação do pedido de patente

#3.1

05/15/1984

RPI 708

Pedido de patente depositado

#2.1

12/20/1983

RPI 687

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