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Official data from INPI

PROCESSO PARA PRODUÇÃO DE UMA PRÉ-FORMA POROSA PARA USO NA FABRICAÇÃO DE FIBRA ÓTICA

ArquivadaInvention Patent

Application data

Number

PI9004223

Type

Invention Patent

Filing

08/27/1990

Publication

09/03/1991

Progress at the INPI

  1. Filing08/27/90
  2. Publication09/03/91
  3. Abandoned04/11/95
  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: 11/03/1998. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Sumitomo Electric Industries, LTD

JP

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Inventors

H. K. (pessoa física)

H. Y. (pessoa física)

T. D. (pessoa física)

Y. O. (pessoa física)

Technical data

IPC Classification

Priority claims

JP

218599/89 · 08/28/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

11/03/1998

RPI 1452

Exigência - art. 36 da LPI

#6.1

04/22/1998

RPI 1426

Solicitação de exame técnico

#4.1

04/11/1995

RPI 1271

11.8

10/11/1994

RPI 1245

Arquivamento - Art. 33 da LPI

#11.1

09/20/1994

RPI 1242

Publicação do pedido de patente

#3.1

09/03/1991

RPI 1083

Pedido de patente depositado

#2.1

03/05/1991

RPI 1057

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