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Official data from INPI

FIBRA DE CARBURETO DE SILÍCIO E PROCESSO PARA SUA PRODUÇÃO

ArquivadaInvention Patent

Application data

Number

PI8905061

Type

Invention Patent

Filing

10/04/1989

Publication

05/08/1990

Progress at the INPI

  1. Filing10/04/89
  2. Publication05/08/90
  3. Abandoned10/16/90
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 08/15/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Imperial Chemical Industries Plc.

GB

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Inventors

J. B. (pessoa física)

GB

W. C. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

8823472.9 · 10/06/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

08/15/1995

RPI 1289

Exigência - art. 36 da LPI

#6.1

08/30/1994

RPI 1239

Solicitação de exame técnico

#4.1

10/16/1990

RPI 1037

Publicação do pedido de patente

#3.1

05/08/1990

RPI 1017

Pedido de patente depositado

#2.1

03/06/1990

RPI 1008

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