Official data from INPI

PROCESSO DE TRATAMENTO DE PASTA COM UM ABSORVENTE E APARELHO PARA TRATAR UMA PASTA COM GRANULOS ABSORVENTES

ArquivadaInvention Patent

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Application data

Number

PI8302469

Type

Invention Patent

Filing

05/11/1982

Publication

01/17/1984

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Progress at the INPI

Filing05/11/82
Publication01/17/84
Abandoned04/09/85
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: 09/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

VAAL REEFS EXPL & MINING [ZA]

Inventors

B. D. (pessoa física)

Technical data

IPC Classification

C01B 31/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

09/05/1989

RPI 985

Exigência - art. 36 da LPI

#6.1

01/03/1989

RPI 950

6.2

03/04/1987

RPI 854

Solicitação de exame técnico

#4.1

04/09/1985

RPI 755

Publicação do pedido de patente

#3.1

01/17/1984

RPI 691

Pedido de patente depositado

#2.1

06/28/1983

RPI 662

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SISTEMA DE LEVANTAMENTO

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