Official data from INPI

PROCESSO DE DEPURAÇÃO DE ÁGUAS POLUÍDAS CIVIS E INDUSTRIAIS.

IndeferidaInvention Patent

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Application data

Number

PI8107557

Type

Invention Patent

Filing

11/20/1981

Publication

02/16/1982

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Progress at the INPI

Under appeal

Filing11/20/81
Publication02/16/82
Examination04/13/82
Refused06/24/86
Grant
In force

The application was refused by the INPI on 06/24/1986. The invention was never patented.

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Latest action published by the INPI: 06/24/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Gide Grupo International de Defesa Ecológica S/C tda.

Inventors

V. R. (pessoa física)

Technical data

IPC Classification

C02F 1/50 C02F 1/52

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

06/24/1986

RPI 818

Conhecimento de parecer técnico

#7.1

08/14/1984

RPI 721

Solicitação de exame técnico

#4.1

04/13/1982

RPI 599

Publicação antecipada

#3.2

02/16/1982

RPI 591

Pedido de patente depositado

#2.1

01/05/1982

RPI 585

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