Official data from INPI

CONCRETO PORTLAND CELULOSE

PublicadaInvention Patent

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Application data

Number

PI8702246

Type

Invention Patent

Filing

04/29/1987

Publication

11/22/1988

View on INPI

Progress at the INPI

Filing04/29/87
Publication11/22/88
Examination08/14/90
Allowance
Grant
In force

Published on 11/22/1988, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

Latest action published by the INPI: 11/22/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BRUNO DA ROSA AMORIM [BR]

Inventors

A. [. (pessoa física)

Technical data

IPC Classification

C04B 16/02 C04B 28/04

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/22/1988

RPI 944

Pedido de patente depositado

#2.1

07/28/1987

RPI 875

Retificação

#15.3

11/20/1990

RPI 1042

Solicitação de exame técnico

#4.1

08/14/1990

RPI 1028

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SISTEMA HIDROPONICO DE PRODUCAO MAQUINA PARA SISTEMAS DE PRODUCAO HIDROPONICA

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