Official data from INPI

PROCESSO PARA DESINTOXICAÇÃO DE RESÍDUO DE ESGOTO CONTENDO METAIS PESADOS

ArquivadaInvention Patent

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Application data

Number

PI9104444

Type

Invention Patent

Filing

10/14/1991

Publication

06/09/1992

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Progress at the INPI

Filing10/14/91
Publication06/09/92
Abandoned08/09/94
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: 04/22/1998. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Green Environmental Systems Ltd.

Inventors

H. R. (pessoa física)

M. R. (pessoa física)

Technical data

IPC Classification

C02F 1/62

Priority claims

607,026 · 10/31/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

04/22/1998

RPI 1426

Exigência - art. 36 da LPI

#6.1

03/18/1997

RPI 1372

Solicitação de exame técnico

#4.1

08/09/1994

RPI 1236

Publicação do pedido de patente

#3.1

06/09/1992

RPI 1123

Pedido de patente depositado

#2.1

11/19/1991

RPI 1094

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