Official data from INPI

GERADOR DE HIDROGENIO

Em AnáliseInvention Patent

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Application data

Number

PI8504279

Type

Invention Patent

Filing

08/30/1985

Publication

04/07/1987

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Progress at the INPI

Under appeal

Filing08/30/85
Publication04/07/87
Examination07/18/89
Refused02/26/91
Grant
In force

The application was refused by the INPI on 02/26/1991. The invention was never patented.

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Latest action published by the INPI: 07/18/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. L. (pessoa física)

Inventors

L. [. (pessoa física)

Technical data

IPC Classification

C25B 1/02

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

07/18/1989

RPI 978

Solicitação de exame não realizada

#4.2

07/11/1989

RPI 977

Publicação do pedido de patente

#3.1

04/07/1987

RPI 859

Pedido de patente depositado

#2.1

10/29/1985

RPI 784

Indeferimento

#9.2

02/26/1991

RPI 1056

Conhecimento de parecer técnico

#7.1

05/15/1990

RPI 1018

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