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Official data from INPI

PROCESSO DE PRODUÇÃO CONTÍNUA DE SILICONE LÍQUIDO A PARTIR DE CARBONO E SÍLICAE MECANISMO PARA A EXECUÇÃO DO PROCESSO

PublicadaInvention Patent

Application data

Number

PI8804291

Type

Invention Patent

Filing

08/24/1988

Publication

05/23/1989

Progress at the INPI

  1. Filing08/24/88
  2. Publication05/23/89
  3. Examination03/19/91
  4. Allowance
  5. Grant
  6. In force

Published on 05/23/1989, 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: 05/23/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Skf Plasma Technologies Ab

SE

Inventors

J. F. (pessoa física)

Technical data

IPC Classification

Priority claims

SE

8703895-6 · 10/09/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/23/1989

RPI 970

Pedido de patente depositado

#2.1

01/10/1989

RPI 951

Retificação

#15.3

06/14/1994

RPI 1228

Solicitação de exame técnico

#4.1

03/19/1991

RPI 1059

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