Official data from INPI

PROCESSO E DISPOSITIVO PARA A SEPARACAO SELETIVA DE MATERIAIS

IndeferidaInvention Patent

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Application data

Number

PI8404902

Type

Invention Patent

Filing

09/26/1984

Publication

04/29/1986

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Progress at the INPI

Under appeal

Filing09/26/84
Publication04/29/86
Examination08/12/86
Refused10/03/89
Grant
In force

The application was refused by the INPI on 10/03/1989. The invention was never patented.

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Latest action published by the INPI: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SL SERVICOS E PARTICIPACOES S [BR]

Inventors

S. S. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

10/03/1989

RPI 989

Solicitação de exame técnico

#4.1

08/12/1986

RPI 825

Publicação do pedido de patente

#3.1

04/29/1986

RPI 810

Pedido de patente depositado

#2.1

12/11/1984

RPI 738

Republicação - classificação IPC

#15.11

09/17/1991

RPI 1085

From the same holder

PROCESSO E DISPOSITIVO PARA AGREGACAO DE FINOS DE CARVAO VEGETAL E/OU MINERAIS PROCESSO DE BOLEIFICACAO DE POS MINERAIS E ORGANICOS PROCESSO E DISPOSITIVO PARA A GASEIFICACAO CONTINUA DE CARVAO MINERAL COM OBTENCAO DE COQUE E OUTROS SUBPRODUTOS PROCESSO E DISPOSITIVO PARA A DESAGREGACAO DE MATERIA SOLIDA PROCESSO E EQUIPAMENTO PARA CONCENTRACAO MAGNETICA DE MATERIAIS SOLIDOS

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