Official data from INPI

CONCRETO PORTLAND CELULOSE

IndeferidaInvention Patent

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Application data

Number

PI7904603

Type

Invention Patent

Filing

07/12/1979

Publication

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Progress at the INPI

Under appeal

Filing07/12/79
Publication
Examination
Refused12/26/84
Grant
In force

The application was refused by the INPI on 12/26/1984. The invention was never patented.

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Latest action published by the INPI: 12/26/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. R. (pessoa física)

Inventors

A. B. (pessoa física)

Technical data

IPC Classification

C04B 31/36

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

12/26/1984

RPI 740

Conhecimento de parecer técnico

#7.1

01/03/1984

RPI 689

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