Official data from INPI

PROCESSO PARA O PROCESSAMENTO DE MATERIAL DE REFUGO E PROCESSO PARA O PROCESSAMENTO DE LAMA

Em AnáliseInvention Patent

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Application data

Number

PI8500136

Type

Invention Patent

Filing

01/12/1984

Publication

08/20/1985

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Progress at the INPI

Under appeal

Filing01/12/84
Publication08/20/85
Examination09/29/87
Refused08/28/90
Grant
In force

The application was refused by the INPI on 08/28/1990. The invention was never patented.

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Latest action published by the INPI: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PELT & HOOYKAAS [NL]

Inventors

H. J. (pessoa física)

Technical data

IPC Classification

C02F 11/14 C04B 18/00 C04B 18/14 C22B 7/00 C22B 7/02

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Conhecimento de parecer técnico

#7.1

10/31/1989

RPI 993

Solicitação de exame técnico

#4.1

09/29/1987

RPI 884

Publicação do pedido de patente

#3.1

08/20/1985

RPI 774

Pedido de patente depositado

#2.1

04/16/1985

RPI 756

Indeferimento

#9.2

08/28/1990

RPI 1030

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