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Official data from INPI

CABO DE FIBRAS ÓPTICAS PROVIDO DE PROTEÇÃO CONTRA A ABSORÇÃO DE HIDROGÊNIO GASOSO POR PARTE DAS FIBRAS ÓPTICAS.

Em AnáliseInvention Patent

Application data

Number

PI8501644

Type

Invention Patent

Filing

04/09/1985

Publication

12/03/1985

Progress at the INPI

  1. Filing04/09/85
  2. Publication12/03/85
  3. Examination05/06/86
  4. Allowance05/01/90
  5. Grant09/25/90
  6. Terminated05/21/96

The patent was granted on 09/25/1990 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/06/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Pirelli Cavi S.P.A

IT

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Inventors

M. S. (pessoa física)

IT

P. A. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

20.699 A/84 · 04/27/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/06/1986

RPI 811

Publicação do pedido de patente

#3.1

12/03/1985

RPI 789

Pedido de patente depositado

#2.1

06/25/1985

RPI 766

Anuidade - prazo legal encerrado

#18.2

05/21/1996

RPI 1329

20.4

11/10/1992

RPI 1145

Republicação - classificação IPC

#15.11

06/04/1991

RPI 1070

Concessão da patente

#16.1

09/25/1990

RPI 1034

Deferimento

#9.1

05/01/1990

RPI 1016

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