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Official data from INPI

PROCESSO DE OBTENCAO DE UM GAS REDUTOR DE UMA MISTURA DE CO + H2

Em AnáliseInvention Patent

Application data

Number

PI8003257

Type

Invention Patent

Filing

05/22/1980

Publication

01/19/1982

Progress at the INPI

  1. Filing05/22/80
  2. Publication01/19/82
  3. Examination09/14/82
  4. Allowance
  5. Grant
  6. In force

Published on 01/19/1982, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 01/21/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

OLIVEIRA E DE

Inventors

D. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

136

01/21/1987

RPI 848

131

02/04/1986

RPI 798

Petição de recurso

#12.2

07/23/1985

RPI 770

8.1

02/20/1985

RPI 748

Indeferimento

#9.2

10/23/1984

RPI 731

Republicação - classificação IPC

#15.11

09/04/1984

RPI 724

Conhecimento de parecer técnico

#7.1

01/24/1984

RPI 692

Solicitação de exame técnico

#4.1

09/14/1982

RPI 621

Publicação do pedido de patente

#3.1

01/19/1982

RPI 587

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