Official data from INPI

PROCESSO HIDROMETALURGICO PARA O TRATAMENTO DE COMPOSTOS SULFURADOS CONTENDO CHUMBO

ArquivadaInvention Patent

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Application data

Number

PI7702415

Type

Invention Patent

Filing

04/15/1976

Publication

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Progress at the INPI

Filing04/15/76
Publication
Abandoned
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: 12/20/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

P. M. (pessoa física)

Inventors

G. A. (pessoa física)

Technical data

IPC Classification

C22B 13/00 C22B 3/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

12/20/1988

RPI 948

Exigência - art. 36 da LPI

#6.1

05/10/1988

RPI 916

11.8

08/11/1987

RPI 877

Retificação

#15.3

04/22/1987

RPI 861

Republicação - classificação IPC

#15.11

01/26/2010

RPI 2038

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