Official data from INPI

PROCESSO PARA TRATAMENTO DE ÁGUAS CONTENDO SULFETOS

DeferidaInvention Patent

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Application data

Number

PI8202470

Type

Invention Patent

Filing

04/29/1982

Publication

04/12/1983

View on INPI

Progress at the INPI

Awaiting grant fee payment

Filing04/29/82
Publication04/12/83
Examination
Allowance08/11/87
Grant
In force

The application was allowed by the INPI on 08/11/1987. The grant of the letters patent is being processed.

Latest action published by the INPI: 08/11/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Prodeco SpA

Inventors

N. S. (pessoa física)

Technical data

IPC Classification

C02F 1/56 C02F 1/74

Priority claims

21436 A/81 · 04/29/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

08/11/1987

RPI 877

Arquivamento - Art. 33 da LPI

#11.1

10/29/1985

RPI 784

Publicação do pedido de patente

#3.1

04/12/1983

RPI 651

Pedido de patente depositado

#2.1

06/15/1982

RPI 608

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