Official data from INPI

PROCESSO E MAQUINA PARA GERACAO DE GAS D'AGUA

IndeferidaInvention Patent

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Application data

Number

PI8301951

Type

Invention Patent

Filing

04/13/1983

Publication

08/23/1983

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Progress at the INPI

Under appeal

Filing04/13/83
Publication08/23/83
Examination09/24/85
Refused09/15/87
Grant
In force

The application was refused by the INPI on 09/15/1987. The invention was never patented.

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Latest action published by the INPI: 09/15/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

P. A. (pessoa física)

Inventors

P. [. (pessoa física)

Technical data

IPC Classification

C10J 3/20

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

09/15/1987

RPI 882

Conhecimento de parecer técnico

#7.1

08/19/1986

RPI 826

Solicitação de exame técnico

#4.1

09/24/1985

RPI 779

Publicação antecipada

#3.2

08/23/1983

RPI 670

Pedido de patente depositado

#2.1

05/31/1983

RPI 658

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PROCESSO E MAQUINA DE AQUECIMENTO ELETRICO RESISTIVO E/OU INDUTIVO COM SUPERFICIE METALICA DESENVOLVIDA DE CONVECCAO

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