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Official data from INPI

PROCESSO PARA PRODUÇÃO DE GÁS CONTENDO HIDROGÊNIO, GÁS CONTENDO HIDROGÊNIO E APARELHAGEM PARA REALIZAÇÃO DO PROCESSO

Em AnáliseInvention Patent

Application data

Number

PI8604881

Type

Invention Patent

Filing

10/07/1986

Publication

07/07/1987

Progress at the INPI

Under appeal
  1. Filing10/07/86
  2. Publication07/07/87
  3. Examination10/31/89
  4. Refused03/03/92
  5. Grant
  6. In force

The application was refused by the INPI on 03/03/1992. The invention was never patented.

Talk to a specialist

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

Applicants and inventors

Applicants

Shell Internationale Research Maatschappij B.V

NL

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Inventors

M. B. (pessoa física)

NL

Technical data

IPC Classification

Priority claims

GB

8524894 · 10/09/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/31/1989

RPI 993

Publicação do pedido de patente

#3.1

07/07/1987

RPI 872

Pedido de patente depositado

#2.1

04/07/1987

RPI 859

Indeferimento

#9.2

03/03/1992

RPI 1109

Conhecimento de parecer técnico

#7.1

05/28/1991

RPI 1069

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