Official data from INPI

PROCESSO PARA TRATAMENTO DE AREIA E PROCESSO PARA TRATAMENTO DE UMA AREA DE AREIA

IndeferidaInvention Patent

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Application data

Number

PI7708452

Type

Invention Patent

Filing

12/20/1977

Publication

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Progress at the INPI

Under appeal

Filing12/20/77
Publication
Examination
Refused02/04/86
Grant
In force

The application was refused by the INPI on 02/04/1986. The invention was never patented.

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Latest action published by the INPI: 02/04/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

REVERTEX LTD

Inventors

B. R. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

02/04/1986

RPI 798

Conhecimento de parecer técnico

#7.1

03/15/1983

RPI 647

From the same holder

PROCESSO PARA A PREPARACAO DE COMPOSICOES PARA ADICAO AO SOLO DE SOLUBILIDADE CONTROLADA E PROCESSO PARA TRATAMENTO DE TERRENOS PROCESSO DE AGREGACAO DE MATERIAL EM PARTICULAS E RESPECTIVO MATERIAL EM PARTICULAS AGREGADO

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