Official data from INPI

PROCESSO PARA HIDROFUGACAO DE OBRAS DE GESSO,COMPOSICAO USADA EM TAL PROCESSO,PRODUTOS OBTIDOS POR AMASSAMENTO E REVESTIMENTOS EXTERNOS DE CONSTRUCOES

IndeferidaInvention Patent

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Application data

Number

PI7705937

Type

Invention Patent

Filing

09/07/1976

Publication

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Progress at the INPI

Under appeal

Filing09/07/76
Publication
Examination
Refused04/16/85
Grant
In force

The application was refused by the INPI on 04/16/1985. The invention was never patented.

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Latest action published by the INPI: 04/16/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

L. I. (pessoa física)

Inventors

No inventors listed.

Technical data

IPC Classification

C04B 11/09

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

04/16/1985

RPI 756

Conhecimento de parecer técnico

#7.1

04/24/1984

RPI 705

Exigência - art. 36 da LPI

#6.1

10/13/1981

RPI 573

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