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Official data from INPI

PROCESSO PARA ELIMINAR DEPRESSÃO DE ÍNDICE DE REFRAÇÃO EM FIBRAS ÓPTICAS.

ArquivadaInvention Patent

Application data

Number

PI8306623

Type

Invention Patent

Filing

12/02/1983

Publication

07/31/1984

Progress at the INPI

  1. Filing12/02/83
  2. Publication07/31/84
  3. Abandoned01/02/85
  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.

Talk to a specialist

Latest action published by the INPI: 09/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cselt Centro Studi e Laboratori Telecomunicazioni S.p.a.

IT

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Inventors

R. G. (pessoa física)

Technical data

IPC Classification

Priority claims

IT

68476-A/82 · 12/16/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

09/05/1989

RPI 985

Exigência - art. 36 da LPI

#6.1

01/03/1989

RPI 950

6.2

03/04/1987

RPI 854

Solicitação de exame técnico

#4.1

01/02/1985

RPI 741

Publicação do pedido de patente

#3.1

07/31/1984

RPI 719

Pedido de patente depositado

#2.1

02/14/1984

RPI 695

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era G02B 5/16.

03/27/2018

RPI 2464

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