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Official data from INPI

REATOR DE MÚLTIPLOS ESTÁGIOS

Em AnáliseInvention Patent

Application data

Number

PI9006333

Type

Invention Patent

Filing

12/13/1990

Publication

09/24/1991

Progress at the INPI

  1. Filing12/13/90
  2. Publication09/24/91
  3. Examination09/21/93
  4. Allowance
  5. Grant
  6. In force

Published on 09/24/1991, 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: 09/17/1996. 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

C. G. (pessoa física)

C. B. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

8928388.1 · 12/15/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

09/17/1996

RPI 1346

Solicitação de exame técnico

#4.1

09/21/1993

RPI 1190

Publicação do pedido de patente

#3.1

09/24/1991

RPI 1086

Pedido de patente depositado

#2.1

05/28/1991

RPI 1069

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